G.O.B.: ... sees his parents having sex - Previously, On Arrested Development : NPR

Previously, On Arrested Development

NPR's guide to the running gags from the show.

Occurrence of a joke
Joke in the background
Foreshadowing
Combined joke

3 episodes feature this joke:

Season 1

5: Visiting Ours

Season 2

16: Meat the Veals

Season 3

7: Prison Break-In

G.O.B. tries to knock himself out with pills to avoid seeing his parents have sex.

Related Joke: Forget-Me-Nows

Sources: Joke data compiled by Adam Cole / NPR. Episode metadata from The TVDB via a Creative Commons Attribution 3.0 United States (CC BY 3.0 US) license.