Goku Sayonara Zetsubou Sensei - 3

Sometimes I wonder who's in charge of doing the OP, because it just seeems to have gotten as crazy as it could be now, appropriate since it seems this is the last episode we will have of animated zetsubou. First part of the episode is a look back at the puns used as they try to come up with something new. The last part is about Itoshiki during high school. The high point of the episode for me is the part about how there are no winners in certain arguments.