Donna finally sleeps with Eric, but when the guys find out that all they did was sleep, they tease him mercilessly. Hyde gets a job at the FotoHut, and finds out that compared to his boss, he's a workaholic. And Kitty has to work double shifts at the hospital, leaving Red to do the cooking.

Eric lies after accidentally running over Donna's cat; Laurie sets Kelso up for a fall; Fez sees "Fez's Angels" while under anesthesia to have his appendix removed.

Kitty calls on a divine power, of sorts, when Eric and Laurie forsake going to church; Kelso's budding beard stirs Jackie.

Donna finds a pair of panties in the Vista Cruiser and thinks that Eric is cheating on her with his lab partner. Everyone is in for a big shock when they find out who the panties really belong to. Red's doctor's appointment shows that he has high blood pressure, so Kitty puts him on a strict diet, which he finds inedible. Kelso gains a new nickname due to a mishap in the cafeteria.

Eric thinks that Christmas just isn't as fun as it used to be when he was a kid, so Kitty suggests that he direct the church Christmas pageant. He has some artistic differences with the gang over how things should go. Kelso is upset that everyone is making fun of him for wanting to watch Christmas specials on television; and Red is upset over Bob's Christmas decorations.

Eric and Donna both start dating other people; Jackie sets Donna up with Kelso's older brother Casey, while Eric has his pick of the girls at school after being named Point Place High's most eligible bachelor. Fez thinks that he's finally going to lose his virginity, and looks for a place that he and Rhonda can use for that purpose. Bob becomes rich again and Red buys a Corvette.

Eric hides the fact that he's failing math from Red because he wants to prove that he's starting to get serious about his future. Red is so impressed by his son's apparent maturity that he bumps Laurie from the adults' table at Thanksgiving and gives her seat to Eric. This makes Eric think that the time may finally be right to announce to his engagement to Donna. However, the woman that Kelso brings as his date to the Formans' dinner complicates this decision.

When Bob goes out of town, Eric and Donna decide to "practice" being married at her house. The gang is excited because they think this is a chance to party all weekend at the Pinciotti's place, until Eric and Donna are forced to set them straight. Meanwhile, Kitty goes to the jewelers to pick up a ring she thinks Red got her as a surprise. But she discovers the real surprise: it's actually an engagement ring for Donna.

The Pinciottis learn very quickly that living with Jackie is going to be difficult. Kelso swipes Jackie's panties to taunt Hyde, who has his revenge when Kelso gets a job at the hotel kitchen where Hyde works. Eric receives notice that he must return Donna's engagement ring if he can't make a payment by Friday. His visits to the jewelry store reveal that there's bad blood between Fez and Fenton, the jewelry guy.

Kelso decides to help Jackie and Hyde get back together with hilarious results. And Eric realises that the sadder Donna becomes, the more she wants sex. Kitty decides to help Red with his new doctor-imposed diet.

Red goes to the heart doctor and finds out that they are going to send a psychiatrist to his house to find out what is causing his stress. Kitty, who believes they always blame the wife, isn't too happy about it, so she starts to act weird. Meanwhile, Kelso introduces his co-worker, Suzy (Alyson Hannigan) to the gang. He says that he likes finally having a girl as a friend, without liking her as a girlfriend. Fez tells Kelso that he likes her. As Kelso is about to tell Suzy about Fez, she tells Kelso that she likes him. So Kelso tricks both of them. He tells Suzy she'll be on a date with him, and tells Fez he'll be on a date with Suzy. They both find out and are upset with Kelso, especially Fez.

When Donna gets a full time job as "Hot Donna" on the radio, she decides that staying in Point Place is the best thing to do. She also buys a very small trailer for her and Eric. While visiting the trailer, the gang is surprised to see Casey Kelso, who is now back in town. The guys continue their plans and have a bachelor party for Eric, who can think of nothing but why Donna wants to stay. The girls also have their own fun at a strip club where they are again surprised to see Casey Kelso as a non-stripping employee who drives a drunk Kitty crazy.

The Formans invite Hyde's biological father over so that Hyde can finally meet him, and everyone is shocked to discover that he's black. Kelso waits for news from Brooke about her advancing labor, while Fez tries to deal with losing Kelso to a baby. Eric and Donna go to a feminist rally in the park.

Kelso gives the toys from the Toy Drive to the gang, leaving Kitty with no toys for the kids at the Ladies of Point Place Christmas Party. Jackie is upset that Hyde won't go to the party with her, making her think that he's not as mature as she thought he was. The guys have to come up with a way to get the toys to the party without the kids seeing them being brought in, and Red distracts everyone with an unusual Christmas story.

In preparation for pursuing a teaching career, Eric receives his high school transcripts and discovers that he received an incomplete in gym class. He enrolls in a summer gym course and learns that his new P.E. teacher is none other than Casey Kelso! Kelso and Fez move into their new apartment and compete over who gets the master bedroom. While they do this, Red exacts his revenge for the messes they’ve created at his house over the years.

Fez has a fling with an older woman who's one of Kitty's friends.