Although almost all of the episodes are hand-animated, the fifteenth episode, "A Glitch Is a Glitch", was created by guest animator David OReilly in his signature 3-D animation.
"A Glitch Is a Glitch" also featured a "directed by" credit, but this is due to the fact that the episode's director, OReilly, was a guest animator and director for the series.
Similarly, "A Glitch is a Glitch" also featured a "directed by" credit, but this is due to the fact that the episode's director, OReilly, was a guest animator and director for the series.
The season also featured OReilly and James Baxter as guest animators in the episodes "A Glitch is a Glitch" and "James Baxter the Horse", respectively.
British animator James Baxter guest animated the horse featured in the episode "James Baxter the Horse".
Canadian animator and creator of The Ren & Stimpy Show, John Kricfalusi, guest animated the couch gag for the episode.
Some of the most awe-inspiring intros have sprung from the minds of guest directors and animators, temporarily altering the entire character and style of Springfield, U.S.A. Creator Matt Groening has drafted household names like Banksy and Guillermo Del Torro to conjure couch gags for the animated sitcom powerhouse, but other amazing artists have contributed in the past, as well.
The opening sequence was guest directed by Canadian animator John Kricfalusi, who previously created the animated television show, The Ren & Stimpy Show.
On a recent evening, the crowd welcomed a teenage animator and a guest from the Ohio Independent Film Festival, who brought along three films from that event.
Recurring guest voice actors included writer and animator Butch Hartman and actor Patrick Bristow.
In addition to the regular cast, guest stars included actor and comedian Patrick Bristow, animator, executive producer, animation director, storyboard artist and producer Butch Hartman (who played Mr. Weed, Peter's boss, and various other characters), writer Gary Janetti who played the Demon and Riff), actor John O'Hurley (who played the Cult Leader), and Waylon Jennings (who played himself).
