“A Glitch Is A Glitch” falls on the far end of the weird spectrum, which is saying something with a show as odd as Adventure Time. Using one of his preexisting videos of a girl eating her own hair as a jumping off point, O’Reilly creates a fascinating episode that evolves into a bizarre Adventure Time creation myth.
A.V. Club
If you haven’t seen David O’Reilly’s work before, The External World is his greatest pre-Adventre Time work:
Update: And here’s the full length end credit music by Flying Lotus: