The final run you should watch is of the Action 52 NES Classic Cheetahmen and if you know of the game and it's epic terribleness you also know the game is very hard. The runner huey beats the game handily in four minutes making the game much more interesting to watch than it is to play.
https://www.youtube.com/watch?v=y3XOd3oSsjk

For more BL2 speedrun fun, someone recently set the record at 1:29:26:
https://www.reddit.com/r/Borderlands/comments/5vbwvz/borderlands_2_2p_coop_speedrun_world_record_12926/
https://www.youtube.com/watch?v=KVjOH7WeEKk
Hahaha, perfect.
https://www.myinstants.com/instant/vader-good-work/