two-part episode
Example:
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!
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!