When George gives Angie a disappointing gift for Valentine's Day, Angie has a flashback to high school in the '80s, when George painted a great mural of her for the holiday. But when Angie takes the entire family to look at the mural - only to find out it will soon be torn down - the truth comes out about the origins of the mural.

George and Angie want a loan for Carmen's schooling, but they find out they have bad credit when they go to the bank. He says that can't be right, but he finds out that it actually is another George Lopez, who owns a skateboard shop. When he finds him, he is shocked to find they have the same birthday, social security number and father. It is George's half brother. He says he came from a poor family and has no money, and dropped out of high school. But the bank calls and syas Arizona State University needs him to pay back his student loan. When he confronts the other George, he finds that his father was actually rich, and that he just needed money. He understands when George makes him leave. In the end, Angie answers the phone and says it is George's father, and that the other George gave him their number. George gets up, picks the phone up, and hangs it up.

After George's estranged father gives him a huge loan to save the family from financial ruin, George vows to visit him in Phoenix. But George's difficult personal journey becomes a family vacation when Angie insists on joining him with Benny and Max. Along the way, George reminisces about his upbringing. Meanwhile, Ernie might finally have some success with women.

George prepares the crew for a visit from the President of the United States. But he becomes so wrapped up in the thrill of the day's events and the horror of Carmen's unexpected political outbursts, he commits a crime without being aware of it. When the police knock on his door, he's arrested for something entirely unexpected and is forced to meet his estranged father face-to-face. In the meantime, Benny drops a bomb on George about the new man in her life.

In the two-part season premiere, George prepares the crew for a visit from the President of the United States. But he becomes so wrapped up in the thrill of the day's events and the horror of Carmen's unexpected political outbursts, he commits a crime without being aware of it. When the police knock on his door, he's arrested for something entirely unexpected and is forced to meet his estranged father face-to-face. In the meantime, Benny drops a bomb on George about the new man in her life.

Angie discovers that her parents are getting divorced, and George becomes nervous about his marriage when Angie's social life improves.

George discovers he has a long-lost sister; Benny consults her doctor about an embarrassing problem.

Carmen begins seeing the most popular boy in school, but when he won't be seen in public with her, George and Angie intervene to set him straight.

Powers Brothers Aviation lands a huge government project and decides to let everyone have the day off and party at a bar. But George gets in trouble when he lets slip that Mel went to Vegas with Jack's ex-wife -- while they were still married! Geroge fears his firing, but is surprised to find out that Powers is splitting in two! Problems ensue when Mel offers George a job at the new design plant.

The Lopez family turns their home into a haunted house in order to raise money for the factory workers who have lost their salaries as a result of a plane crash investigation.

With his job in jeopardy, George tries to cancel Carmen's expensive quinceañera (15th birthday party). But since Angie is successful with her cosmetics business, she gets to make the financial decisions in the family now-to George's chagrin. Meanwhile, Carmen agonizes over how to tell her boyfriend Jason that she loves him without scaring him away.

This year, Angie decides that her and George should just get something cheap and from the heart for their anniversary. This gives Vic an opening to convince George to help him smuggle his brother Ontovio out of Cuba.

Meanwhile, Max has a fake birthday party to get free presents.

After inviting his extended family to Thanksgiving dinner, George learns his estranged father needs a new kidney.

George gets rid of some of Angie's cherished mementos as he prepares to donate a kidney.

At Christmastime, George will stop at nothing to convince Max to continue believing in Santa Claus.

George and Angie react with rage after Benny disciplines Max for talking back and acting out at school.

George is reluctant to keep his promise to Max when a miracle seems to save the family dog from being put to sleep.