Michael is relieved to have all the charges against his father dropped and is also shocked to learn who holds the real power in his dysfunctional family.
George-Michael's surprise birthday party for Maeby gets her in big trouble, and Michael and Buster make a startling discovery when they go to Iraq to rescue Gob.
Michael hires a woman who turns out to be his long-lost sister, Nellie, and who may be just what the company needs.
Although George Sr. finally gets a new lawyer, Michael worries when he hears news of a surprise witness and Buster pretends he's in a coma so he doesn't have to testify.
In order to get enough money to hire a new family lawyer, everyone has to pitch in and prepare for the upcoming company fundraiser, aptly named "Save Our Bluths."
Tired that his father has once again found a way to pit Gob and him against each other, Michael decides to teach his father a lesson.
Michael is worried when he finds out that the prison warden is dating his mother and that the Bluth Foundation dinner is being held in the prison's new wing.
When Michael decides to marry his new British girlfriend, Rita, his family scoffs at the idea - until they find out she's worth millions of dollars.
Gob tries to trick the company's Japanese investors when they come to visit, but Tobias ruins everything after he mistakes a CIA agent for a talent agent from CAA.
Michael volunteers to participate in the father-son triathlon with Gob's son, while George Sr. mistakenly delivers a "Scared Straight" lecture to a gathering of gay men.
The family's new attorney works on George Sr.'s defense even as George Sr. plans his escape and Michael tries to destroy all evidence that his family exists.
Michael falls for a British woman while investigating an outrageous claim by George, Sr. in which he says a British construction firm tricked him into doing business with the Iraqis.
When Michael realizes that Oscar, not George Sr., is serving time in prison, he sets off to find his father while also trying to find time to reconnect with George-Michael.
Michael Bluth finally realizes that it's his Uncle Oscar serving time in prison, not his father.
A mix-up leads to Michael's arrest while a trick George Sr. plays on Oscar ends up with George Sr. once again free - and Oscar mistakenly taken into custody.
While Michael schemes to get his mother into an alcohol rehab center, Kitty schemes to get a Bluth son of her own by kidnapping George Sr. and demanding some of his sperm.
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