two-part episode 

a memorable event; usually long and intricate.

1st Drunk: Dude, do you remember the time we stole a boat and tried to sail to Nauru?

2nd Drunk: Yeah man, that was a two-part episode!

two-part episode by JaG January 15, 2005

two part episode 

when you excrete excrement and feel the need to do so again soon after

"I think the dump I took earlier I thinks its gona be a two part episode"

two part episode by seanbasil89 August 12, 2009