Kevin is now living in the garage apartment and is madly in love with Lucy and waiting for the right time to ask Lucy to marry him. He invites his new rookie partner Roxanne over to meet Lucy who takes one look at her and flies into a jealous frenzy. Robbie is jealous of Kevin because he feels as though Kevin is like a new big brother taking over Matt's place. Robbie, who has been lamenting the departure of girlfriend Joy, may also be ready for romance when he runs into Kevin's partner Roxanne, an old classmate from 7th grade.

Ruthie is asked to babysit a chimp which lives across the street. Ruthie also invites her boyfriend over which stuns Eric. Mary desperately tries to keep her mysterious new boyfriend a secret. When he unexpectedly shows up at the Camden home, no one is more surprised than Eric to see the good-looking 40-something pilot standing in the doorway.

Simon's paid dating service is becoming profitable until Cecilia rats him out to Eric. When Mary threatens to leave home over her relationship with Jack Smith, who is twice her age, Eric confronts Jack who lets the news slip that he and Mary are relocating to Fort Lauderdale. Lastly, Kevin sets Ruthie straight on who's the adult and who's the child in this household.

Ken Smith pays a visit to Eric and Annie to accuse Mary of seducing his son. He threatens to sell the land next to the church if Mary doesn't break up with Jack. Simon finds out from Cecilla that a girl from his dating service is pregnant. Simon turns to her to try to help her. He convinces her to drop her baby off at a hospital where the baby can go for safe keeping. Lucy wonders if Kevin has ever been with another women after she catches Ben reading her journal. When Ben picks Ruthie up from school, he see's a girl making fun of her and then she makes fun of him, which leads to the vice principal calling the police.

When Eric learns that he must undergo double bypass surgery, he calls a family meeting to share the news but loses his nerve at the last minute and decides the group should go bowling instead. His odd behavior surprises everyone, especially Annie who grows more concerned when Eric's brother-in-law Hank shows up unexpectedly. Meanwhile, Robbie pesters Kevin about helping him make a parking ticket disappear. Lastly, Lucy continues to question whether Kevin has ever been with another woman.

The extended Camden clan wrestles with their emotions as they await the outcome of Eric's double bypass surgery. While under anesthesia, Eric hallucinates that he's Elvis. Lucy finally realizes that Kevin is the one and that she's ready to marry him, but he refuses to propose until Eric gives them his blessing. Simon complains to Annie about the absence of Matt and Mary during their father's health crisis. Sarah also comes to Glen Oak to wish Eric well.

Lucy is asked by a developmentally challenged friend to convince his parents to let him join a traveling troupe of puppeteers. Meanwhile, Eric is feeling low because he is stuck at home recovering from surgery and really wants to get back to work despite doctor's restrictions, so Annie asks the kids to help make him feel needed by going to him with their problems. Ruthie takes this suggestion to heart and secretly tells Eric how he should be helping everyone with their romantic entanglements. His meddling leads to chaos for everyone involved. Lastly, Kevin learns that Ben is planning to extend his temporary stay in Glenoak.

Eric is stunned to find out the church has hired a new associate pastor to help out while he recovers from his heart surgery. Meanwhile, Lucy is furious when she and Ruthie spot Kevin and Roxanne in a jewelry store--as she thinks they're picking out her engagement ring together without her. Meanwhile, Simon listens unenthusiastically as Cecilia tells him all about her new French boyfriend. Lastly, a loud, chain-smoking housekeeper sent by The Colonel arrives to provide order in the Camden household.

Eric and Rabbi Glass pay a visit to the church to spy on the new associate pastor. Meanwhile, Ruthie is in big trouble when she's caught slow dancing with her boyfriend when she's supposed to be babysitting Sam and David. Meanwhile, Lucy asks Simon to dig up some information on Roxanne during his ride-along with her and Kevin in their patrol car. Lastly, Kevin has some explaining to do to Lucy after he runs into his ex-wife.

Eric's strange post-surgery behavior leads him to make a life-altering decision that shocks and worries Annie. The reverend considers another calling when the ministry begins to lose its appeal. His plan to abandon his religious duties is hatched after a new neighbor mistakenly calls him Mr. Camden. Fed up with everyone bringing their problems to him, Eric becomes more and more apathetic toward his family and community. Meanwhile, Lucy turns to the new associate pastor for advice when she sees Kevin and Roxanne having too much fun dancing at the pool hall. Concerned when he can't find Lucy, Kevin interrupts Simon and Cecilia's date to enlist their help.

In the midst of a career crisis and much to Annie's dismay, Eric takes a job as a talk DJ at a college radio station, but things become serious fast when Eric and his producer find themselves counseling a male student who calls in threatening suicide during his first shift. Lucy refuses to spend time with Roxanne which puts Kevin in an impossible situation. Later on, Roxanne asks her boss to assign her a new partner as tensions simmer between her and Lucy. Ben is almost arrested when he accompanies Simon and Cecilia to an underage club. Ruthie tries to figure out a way to breakup with her boyfriend without making him cry.

Eric gives Annie his manuscript to read but she's not happy to learn that he's been spending his time writing smut instead of his comeback sermon for the church. Meanwhile, Simon and Cecilia discuss having sex for the first time and naively share the news with their parents---which doesn't go to well when Cecilia's father finds out. Lastly, Lucy sets out to spy on Roxanne and Chandler on their first date.

Eric begrudgingly agrees to see a therapist in order to appease Annie who is at her wits' end with him. Meanwhile, Simon is ecstatic when Cecilia's father agrees to let him see Cecilia, but feels hurt and confused when she starts avoiding him. Roxanne becomes suspicious when a pretty girl seeks council from Chandler. Lastly, Ruthie is shocked to learn that her new upbeat friend Katelyn suffers from cystic fibrosis.

Annie is plagued with curiosity about what goes on during Eric's therapy, but panics when his doctor invites her to attend one of their sessions. Meanwhile, Lucy tries everything to get excused from jury duty, upsetting Kevin in the process when her views of the judicial system are different from his own. Also, Chandler confesses the extent of his feelings for Roxanne after she is stabbed on the job by a homeless man. Lastly, Ruthie fears that her parents may be heading for divorce court after overhearing them fight.

Eric tries to help Chandler after the young minister learns that his father is dying of lung cancer, but Chandler rejects Eric's aid and pushes him away. Lucy accepts a date with Chandler's chain-smoking tattooed brother Sid in order to make Kevin jealous enough to propose to her. Elsewhere, Annie is shocked when she finds a pack of cigarettes in Simon's bedroom. Lastly, Ruthie's friend Peter begs her to lie and not tell his mother that he smokes.

Kevin goes all out to create the perfect romantic setting for Valentine's Day. Lucy doesn't wanna attend because she had him agree not to propose on Valentine's Day. Eric and Annie convince Lucy to go. Kevin invites all the Camdens, his brother Ben and their mom to be there with him when he finally gets down on one knee to propose to Lucy. Meanwhile, Roxanne overhears Chandler practicing his own proposal to her but she asks him to wait so they won't steal Lucy and Kevin's thunder.

Lucy confesses to her dad that it will break her heart if he doesn't perform the ceremony at her wedding and he struggles with the decision to return to the church. Meanwhile, Simon catches Cecilia's father's business manager stealing from petty cash. Roxanne's policeman father tries to bully Chandler into ending his relationship with Roxanne. Ruthie and Peter try finding Ben a girlfriend with his training dog, but things go awry once they lose the dog. Annie hijacks Lucy's wedding by making all of the decisions herself without paying attention to any of Lucy's wishes.

When Eric and Annie learn that Morgan and Patricia Hamilton are facing a marital crisis, they draw on their own recent problems to stop their friends from making the same mistakes. Meanwhile, juggling her studies and planning her wedding leaves Lucy stressed, but when she confides to Kevin that she might quit school, he threatens to call off the wedding.

Also, Simon and Cecilia go to a G-rated film to try to avoid thinking about sex and get kicked out for making out. Ruthie tries to find Ben a new girlfriend because Mary wants to get back together with Ben and Ruthie doesn't want Ben to get hurt. Lastly, Roxanne decides to resign from the police department when she feels that her father was kicked out of the police department unfairly.

When a nasty thunderstorm rolls through the region and threatens to postpone Lucy and Kevin's wedding, everyone scrambles to make it to the church in time. Mary barely catches the last flight in and brings Matt with her. Chandler and Roxanne rush to pick up Ben and his mother who are stranded at the airport in Las Vegas, but tensions run high and a fist fight breaks out; and Matt gives Lucy some very special brotherly advice when she confesses to pre-wedding jitters.

Reverend Camden and Chandler enlist the help of Ms. Bink to raise money for the church's leaky roof, but it turns out she needs a little help of her own. Meanwhile, Ruthie's boyfriend Peter suspects that his mother's new boyfriend has some secrets to hide; and Lucy and Roxanne have a girls' night out on the town during which Lucy shares intimate details of her newlywed life. Meanwhile, the twins steal money from their parents' bedroom and from a coffee can in the kitchen.

After Ruthie's boyfriend Peter grows more suspicious of his mother's new fiancé, Reverend Camden steps in to counsel the threesome and get to the root of their problems. Meanwhile, Chandler provides pre-marital counseling to a couple who don't seem destined for the altar; Cecilia confides to Simon the reason she doesn't want her parents to renew their wedding vows; and Roxanne tries to convince Chandler to return home to see his dying father.

Eric flies to New York in a last attempt to convince Chandler's dying father to make peace with Chandler before it's too late. Meanwhile, Matt and Sarah suspect that she might be pregnant and Matt's co-worker lets the news slip to Eric; Lucy fears she might also be pregnant, which causes her to panic and push Kevin away; Mary tries to find Eric to tell him that she did something stupid; Lucy offers her classmate Christine a temporary place to live, unaware that she's hiding a big secret; Simon is crushed when Cecilia refuses to go to the prom with him; and no one can understand why Ruthie is acting especially strange.

Unable to convince Chandler's father to see his son before he dies, Eric is forced into tricking him. Meanwhile, Eric, Annie and Sarah's mother Rosina get together to surprise Matt and congratulate him on the wonderful baby news. Mary confides a big secret to Lucy. Simon gets turned down by a potential prom date. Ruthie gets her period and tries to hide the news from everyone. Kevin recognizes Lucy's house guest Christine as a girl who was previously arrested for prostitution. Lucy takes a home pregnancy test without telling anyone. Lastly, bad news arrives on the Camdens' doorstep.

In the eighth season premiere, the Camden's spend the last week of summer at a beach house. At the beginning of the summer, Simon killed Paul Smith in an automobile accident. Simon is having a hard time dealing with the fact that he killed him and everyone tries to help him. Eric and Annie try to push Simon to go back to school which begins in a week. Eric would like Paul's parents (guest-stars Katie Mitchell and Mark Moses) to accept the insurance companies offer to the money. Paul's brother vandalizes the church by adding graffti to the sign saying "Thou Shalt Not Kill." Simon runs away to New York to get away from the troubles he is having in Glenoak.

Also, Lucy and Kevin discuss possibly having a child. Peter is spending a lot of time around Ruthie and the Camden family. Ruthie finds out about Mary and Carlos being married.

Mary makes a surprise visit home to deliver unexpected news to Eric and Annie. Meanwhile, Simon tells Cecilia that he needs space. Also, Lucy and Kevin adjust to married life. Chandler breaks up with Roxanne after learning that she isn't comfortable with the idea of being a preacher's wife, while Roxanne seeks Kevin's advice on dealing with a dispirited Chandler. Also, the Camdens finally learn who's pregnant. Lastly, Eric ponders Simon's academic future and Annie prepares for a potentially tense dinner engagement.

With Annie out of town, Eric is left alone to accompany Simon on his visit to the Board of Education to discuss early graduation. During the meeting, Simon bonds with his advisor when they realize that they're both preachers' kids. Meanwhile, Lucy catches Chandler kissing a beautiful blonde woman at church and she agonizes over whether or not to tell Roxanne; Detective Michaels tricks Kevin into babysitting his six-year-old granddaughter; Peter makes a deal with the school bully in an attempt to protect Ruthie and Cecilia agrees to watch the twins which leads to a confrontation with Simon.

When a mysterious stranger wanders into the Camden home and spends the day with the family everyone assumes he is Simon's friend. Meanwhile, a disheveled, Rabbi Glass stops by to confide in Eric that he caught his wife kissing another man and discusses about splitting up. Kevin feels emasculated after being attacked and injured by a woman during a domestic disturbance call and goes on medical leave. His attitude toward Lucy changes drastically as he worries that Lucy isn't attracted to him anymore. Plus, Simon is concerned that no one seems to care that he's leaving for college in a couple of days. Lastly, Ruthie and Peter struggle with a school project.

In a video essay for his application to college, Simon recounts the experiences of his family members including their relationships, friends and mistakes that they've made over the years in Glenoak as well as his own pain at having killed a young boy in a car accident earlier in the year.

During his Sunday sermon, Eric proposes that instead of a financial contribution, everyone should make a commitment to reach out and help someone in need. Kevin suggests that he and Lucy work together to set up a neighborhood watch program, but she feels passionate about working with Habitat for Humanity. Eric calls his new son-in-law Carlos (guest-star Carlos Ponce) and asks him to fly in without Mary for dinner with the family, which makes Carlos very nervous. Also, Ruthie picks a shy new girl at school as her project and soon finds out that she has a secret. Meanwhile, Peter picks Ruthie as his project, which prompts her to tell him that they should spend less time together. Chandler and Roxanne keep running into each other stirring up old feelings. Lastly, Annie becomes jealous of all of the time the twins are spending with Cecilia.

Eric and Annie throw a "Welcome to the Neighborhood" party for Ruthie's Muslim friend Jill Dupree and her parents, but the Duprees are hesitant to attend. Eric is shocked and disappointed when he learns that his neighborhood is not a friendly place for Muslims. Meanwhile, Cecilia's house is robbed while she and her dad attend Kevin's first Neighborhood Watch meeting; Roxanne mentors a troubled sixteen-year-old and suspects that he might be involved in the robbery, and Chandler finds himself attracted to Peter's mom Paris.

Eric arranges for Peter and his dog to visit a drug rehab center to cheer up the patients. Peter bonds with Nick and helps him reconnect with his estranged son. Lucy finds out that Kevin has been secretly coaching the Glenoak Police Department husband-and-wife softball team and demands that she be allowed to play. Just before his first date with Paris, Chandler receives a letter from Roxanne telling him she still loves him. Martin confronts Cecilia about her lingering feelings for Simon, prompting Ceclia to call Simon to let him know she has a new boyfriend. She is also surprised when he admits that he is also dating someone and Ruthie is jealous of Cecilia and Annie's close relationship.

Eric is brought in by the school board to help investigate the local high school Principal, when more than one concerned parent questions her behavior. When a female student disappears, all fingers point at Ms. Jones, but Eric believes strongly that the student's father may be the real culprit. Elsewhere, rumors about Martin upset Cecilia, who then regrets talking to Ruthie about her feelings.

Matt and Sarah begin their student rotation in the ER, but get off to a bad start by arriving late and angering Dr. Norton, the attending ER physician. Matt and Sarah's relationship is tested when Matt quickly demonstrates an aptitude for the work, but Sarah accuses him of trying to make himself look better than the other students, especially her. However, Matt ends up looking foolish when he can't figure out how to turn off the ringer on his cell phone and he gets stuck fielding calls from his family. Matt's day ends tragically, leaving him to question his destiny.

Matt returns home to tell Eric and Annie that Sarah has left him and he's dropping out of medical school. Rabbi Glass offers Matt marital advice. Meanwhile, Kevin must decide whether or not to tell a very jealous Lucy that his ex-wife is in town and they got invited to dinner with her. Martin's aunt asks Eric to step in and talk Martin into moving to New York with her and Chandler asks Peter how he would feel about Chandler marrying his mother someday. Peter thinks something is amiss when his mother goes out of town for a business trip. Ruthie keeps something from her mother.

A distraught Peter learns that his alcoholic and mean-spirited father who abandoned his family three years ago, has changed his ways and wants to be part of Peter's life again. In the wake of this monumental news, Chandler must decide how this will impact his relationship with Paris and Peter. Meanwhile, Ruthie feels that Peter is pushing her away during this chaotic time and Reverend Camden finds a philanthropic way for the community and his family to embrace Vic.

Eric feels he must intervene when Martin, who recently moved in with the Camdens, is recruited by a professional baseball team, the Miami Gators and considers dropping out of school. Meanwhile, Ruthie enlists Lucy's help to convince their mom that she should be allowed to attend a couples party with Peter. Finally, Chandler's mother pays him an unwelcome visit when he is named executor of his father's estate. A rift happens between Lucy and Annie where an angered Lucy considers moving. Lastly, Cecilia teaches Sam and David on how to ride a bike.

On a temporary leave from military duty in Iraq, Martin's father pays the Camdens a visit to help his son decide whether to forgo college for a career in professional baseball. However, the visit turns sour when Martin catches his father kissing Roxanne. Meanwhile, Chandler and Paris reevaluate their relationship in the wake of her ex-husband's return, and Roxanne comes to blows with Martin's aunt over their differing views on the war in Iraq. Lastly, Vic tries to join the Marines and talks to a supervisor over the matter.

Annie's half-sister Lily shows up on her doorstep to discuss an important family matter after Annie refused to contact her. Eric tries to figure out why Annie won't contact Lily. Meanwhile, Cecilia sets Martin's friend Mac up with a girl from school, but he doesn't want to go out with her because of something embarrassing that happened ten years ago; Ruthie and Peter put a bad spin on a school project that lands them in trouble when they create a newspaper featuring false and derogatory stories about two former US presidents. Lastly, Roxanne turns to Chandler when she finds herself faced with a moral dilemma as she is keeping a secret from Kevin regarding Detective Michaels.

Matt returns to Glenoak to celebrate a special anniversary with Ruthie and tries desperately to avoid seeing the rest of the family. However, when Lucy discovers the secret, she, Eric and Annie go crazy trying to figure out why he's in town. Meanwhile, Martin shares something special with Cecilia. Also, Annie lets it slip to Nurse Kelly that Matt and Sarah are married. Lastly, Vic invites Paris to spend a special evening with him, but she doesn't want to go because she thinks he might propose.

Annie's half-sister Lilly is getting married and wants their ailing father to walk her down the aisle but Annie worries that the strain might be too much for him. Meanwhile, Fred and Mrs. Bink attend premarital counseling with Chandler, but Fred's mother tries to put a stop to the wedding because she thinks Mrs. Bink is a gold digger. Lastly, Jimmy and Pat, two mentally challenged people, decide to get married after just one date and ask Chandler to perform the ceremony, but Jimmy's parents try to put a stop to it.

The Camdens, especially Lucy and Ruthie, grow concerned that an unusually joyful Annie isn't dealing with her true emotions following the death of her father Charles, but the happiness proves to be infectious as it soon spreads through the family and all over town. Meanwhile, Eric tries to convince an unhappy Chandler that he should consider adoption. At the same time Chandler is approached by a mysterious young girl who gives him a cryptic message before she disappears.

Prospective homeowners Lucy and Kevin are ready for a fight to the finish when they learn that Chandler and his soon-to-be-adopted son Jeffrey are their rivals in a bidding war on a house. However, the conflict sparks an idea with Eric and Annie who decide to use their savings to buy their house from the church. Meanwhile, Ruthie is upset with Martin because she thinks he will get the garage apartment instead of her when Lucy and Kevin move out, and Peter suspects that his dad might be having an affair.

Lucy and Kevin celebrate their one-year wedding anniversary and contemplate whether they're ready to start a family, but things don't go off smoothly as Lucy refuses to drink champagne with Kevin during their anniversary dinner. Cecilia and Martin realize that their relationship may face a rocky future if Cecilia goes away to college. Chandler's foster son asks him to rid their house of all alcoholic beverages.

Peter lies to Ruthie about his plans for the evening when she asks him to help her baby-sit the twins. With that, Peter goes missing, but concern turns to disappointment when Eric and Vic find him drinking alcohol with his friends at the park.

Lucy finds her husband Kevin and his partner Roxanne in a compromising position while on an undercover police assignment, Cecilia and Martin's relationship hits another bump in the road when their after-school commitments get in the way of one-on-one time, and Chandler may have bitten off more than he can chew as a new parent. Ruthie and Peter get stranded after missing their bus during a school field trip. However, fate intervenes when the youngsters cross paths with Lost Boys Nicodemus and Jacob, who not only take care of them until Reverend Camden arrives, but also share the heartbreaking story of their struggle to stay alive.

It's Camden chaos all around when Matt, who is having problems in his marriage to Sarah, returns to Glenoak for a visit and runs into his ex-girlfriend Heather on his flight to Glenoak. Simon unexpectedly announces he's coming home for the summer.

Also, Lucy sets out to discover why Roxanne is suddenly too busy to hang out with her as she's convinced that Roxanne is secretly trying to become a detective behind Kevin's back. Ruthie keeps a secret about a fellow student from her parents. Lastly, Martin learns that his baseball teammates think he's having sex with Cecilia.

The Camden chaos continues with Matt, who is trying to salvage his marriage, questioning whether he still has feelings for his ex-girlfriend Heather; Simon's return to Glenoak creates conflicted feelings for his ex-girlfriend Cecilia, who is torn between her feelings for Simon and her current boyfriend Martin; Ruthie's foreign exchange student friend Maria, appears to be making the moves on Ruthie's boyfriend Peter; and grandparents-to-be Eric and Annie hop a plane for New York, despite Mary's repeated pleas for her family to stay away.