Michael is driven crazy by Gob when he impresses the board as the new company figurehead due to Michael's legal troubles. Meanwhile, George Sr. is arrested in Mexico for a crime Oscar committed, and Buster witnesses something that utterly shocks him.

Michael is increasingly frustrated over being abandoned by the family, and when the staircar is found in Mexico, Michael vows to find his father and give him a piece of his mind. Also, Buster spends time with Lupe's family and thinks he's in Mexico.

Lucille hires a bounty hunter, Ice, to find George Sr., who may be closer than everyone thinks. Gob tries to pull off an elaborate illusion, Maeby tries to set Lindsay up with Ice, and Michael tries to mend George Michael's broken relationship.

George Sr. fears he's losing Lucille to Oscar. Gob motivates Buster for the Army while Lindsay spends more time with Maeby to get closer to Steve Holt and Tobias starts working out.

Gob stages mass firings after being inadvertently roasted at the Bluth Company Christmas party. Michael is forced to rebuild the Banana Stand, and Buster plays hooky from the Army at an arcade game.

The Bluths rival development company hires Gob, who finds the company president a father figure, in preparation for the Bluth-Sitwell softball game; Lindsay hallucinates from taking anti-depressants.

Michael reunites with his long, lost love Sally Sitwell, but faces interference from parents. Meanwhile, the two Lucilles need someone to bid on them at the bachelorette auction with Buster already in a relationship.

Just as Michael's relationship with Sally starts to flourish, Maggie Lizer returns nine months pregnant, and Michael immediately assumes he's the father. George Michael attempts to break up with Ann, and Buster learns he's being deployed to Iraq.

George Michael runs for student body president, which Gob manages to ruin. Buster has an affair with Lupe, who is being sought after by Lindsay and Tobias attempts to move out of the model home, then develops a new persona when he regrets his decision.

George Sr. tries to find a way to attend an anniversary dinner for Lucille while Michael deliberately offends Ann's devout Christian parents. Tobias goes overboard performing his "Mrs. Featherbottom" persona.

Gob hides George Sr. while the model home's plumbing is checked; George Michael helps Ann protest Maeby's new movie; Tobias takes a liking to Kitty after Michael asks him to keep an eye on her.

To prove he's a man to Rita, Michael and his nephew Steve Holt compete in the Church And State Fair's annual triathlon. George Sr. tries to scare some at-risk youth, and Tobias tries to help George-Michael's girlfriend Ann to compete in the fairs' "inner beauty" pageant.

After returning home from Iraq, George Sr. is finally cleared of all charges, and Michael is relieved to be the head of a successful company for a change. The real brains behind the madness is revealed, and just as the family begins to celebrate their victory, a whole new set of problems emerge.

Michael says goodbye to the family business and starts his own. And the life of the family is turned upside down when their mail man Pete dies.

George Sr. comes up with a get rich quick scam after his family falls apart.

Gob finds a new group of friends after his relationship falls apart and his family abandons him.

Gob accepts a job from his brother, but is distracted by a scheme of his own.

Maeby moves out on her own and reconnects with her cousin George-Michael.