Yeah, that series was managed really cleverly with stuff like (maybe some SPOILERS):
Episode 1 - 5 Santa's sleigh rescue
Episode 2 - 5 volcano eruption of lava through triangle
Episode 3 - 4 ink like you said
Episodes 1,2,3 - 4 birthday mariachi
Episode 4 - 5 swapping items through window, flint paper at door
Episode 4 - Sam and Max reliving all the previous episodes
It's About Time I Get Double Visions of Citizen Brown.