Note your top three favourite episodes out of Season One, Two and Three. Noting why would also be preferred :).
1st - Chariots of the Dogs - Great time-travelling and jokes.
2nd - The City that Dares Not Sleep - Cinematic thrilling adventure that, unlike the other episodes, feels like it is pivotal to all of Sam and Max and will always affect it.
3rd - What's new Beezlebub? - The usage of Hell and all the events of the game made it very very awesome.