... then reunites with her using the same line. ("Marta Complex")
Marta utters the line when she realizes she loves Michael, not G.O.B. ("Marta Complex")
Michael utters the line when he realizes what "Hermano" really means. ("Marta Complex")
G.O.B. says this signature line after realizing how many problems Michael has to deal with as CEO of the company. ("Let 'Em Eat Cake")
When Michael announces to the family that he's leaving, he tells G.O.B. to bail himself out next time, rather than coming to him and saying, "I've made a huge mistake." G.O.B. denies ever saying that he made a mistake, asking what he would have made a mistake about. ("The One Where Michael Leaves")
When Michael realizes that George has gotten away with the evidence, G.O.B. tells him, "You've made a huge mistake.("The One Where Michael Leaves")
G.O.B. says that he's made a "huge tiny mistake" after learning that Steve Holt is his son. ("The Cabin Show")
Believing he slept with his cousin Maeby, Steve Holt goes to G.O.B. for advice, saying that he had "made a huge mistake." G.O.B. responds, "I know the feeling. I had you."("Forget-Me-Now")
Michael utters G.O.B.'s trademark line after George Michael convinces him that Rita is mentally challenged. ("The Ocean Walker")
When Lucille regrets putting Michael in charge, she utters G.O.B.'s catch phrase. ("Development Arrested")
Being surrounded by the Veals' unconventional love after having accidentally proposed to Ann, G.O.B. once again admits that he has "made a huge mistake."("Colony Collapse")
As she discovers that she has inadvertently committed statutory rape, the Narrator suggests that Maeby is about to realize that she has "made a huge mistake", but she shrugs it off with an unconcerned "Nah, I'll be fine!" before he can finish the line. ("Señoritis")