Well, "The Challenge" is full of one-liners:
Boober: Argument, nothing, it's an attempted coup!
Pa Gorg: Ah, here comes my beautiful wife, and my semi-beautiful son!
Boober: Yes, but I feel great sympathy. The Grim Reaper comes for us all.
Junior Gorg: Hey, pick up the tempo, will ya? I want a dirge you can dance to!
The whole fixing-the-roof bit in "The Battle of Leaking Roof" is funny - and like I said a while back, the whole bit with the Poohbahs is a laugh riot.