Episode 1: C-3PO's Origins, HP Lovecraft, the Food Album (with Weird Al Yankovic)

Episode 2: Cyborg Cops, Shai'Hulud, Sci-Fi Substance Abuse

Episode 3: Incantations, Immortans, Vulcans in Heat

Episode 4: Ganondorf, Gremlins, Geography of Westeros

Episode 5: Animalities, Maple Street Monsters, Mutagen Ooze

Episode 6: Pevensie Reign, Foreign Mutants, Kanto Clones

Episode 7: Mouth of Sauron, Saiyan Tails, Bothan Spies

Episode 8: Jump Man, Folklore, Hounds of Tindalos

Episode 9: Bilquis, Black Panther, Battlestar Galactica

Episode 10: Nothlits, Dust Bunnies, His Dark Materials

Episode 11: Skaven, Watchmen, The Neverending Story

Episode 12: Mako, Mudbloods, Mephisto (with Jonathan Coulton)

Episode 13: Father Figures, Frog Thor, Fusion Gems

Episode 14: Robots, Rhydon, Staff of Ra

Episode 15: Charybdis, Kill Lists, and Cookie Crisp

Episode 16: Diablo, Diddy Kong, Dora Milaje

Episode 17: Wario, Winnie the Pooh, A Wrinkle in Time

Episode 18: Monty Python, Shōnen Manga, Mr. Burns

Episode 19: Sonic, Shredder, the Sword in the Stone

Playing

Episode 20: Cyclops, Skeletor, the Dark Crystal

Episode 21: Ms. Pac-Man, Mick Foley, Marvel Apes

Episode 22: Hodor, Portable Holes, Philip K. Dick (with Kristian Nairn)

Episode 23: Mortal Kombat, Element Stones, The Matrix: Reloaded

Episode 24: Jabberwocky, Gelatinous Cubes, Magic: the Gathering

Episode 25: Tournament of Champions (1)

Episode 26: Tournament of Champions (2)

Episode 27: Tournament of Champions (3)

Episode 28: Tournament of Champions (4)

Episode 29: Bob's Burgers, Logan’s Run / Fans vs. Faves (1)

Episode 30: Stranger Things, Steven Spielberg / Fans vs. Faves (2)

Episode 31: Kingdom Hearts, My Hero Academia / Fans vs. Faves (3)

Episode 32: Ranma, JoJo's Bizarre Adventure / Fans vs. Faves (4)