Adventure Time

The greatest show ever made. I HIGHLY recommend that you watch it. It is about a teenage boy named Finn and a shape-shifting dog named Jake. Together they go on adventures in the land of Ooo with all their other friends. This is not just some crazy random cartoon (although it kinda starts like that in season 1 and 2). It gets very emotional once you get to season 3 and it'll get worse towards the end (by "worse" I mean a LOT of crying).