Season 21
Episodes
1 The 21st Season Begins! "Marchen Maze" (#237) (2) Apr 21, 2017 2 Don't Make Fun! "Renegade" (#238) May 5, 2017 3 In Celebration of the Movie! "Densha de Go! 64" (#239) May 19, 2017 4 The Kacho Arrives! "Um Jammer Lammy" (#240) Jun 2, 2017 5 Jason the Kacho: "Splatterhouse 2" (#241) (1) Jun 16, 2017 6 We'll Be Rescued, Right!? "Splatterhouse 2" (#242) (2) Jul 7, 2017 7 GameCenter CX on The Pacific Ocean: Arino's First Challenge on a Boat! (#243) Jul 21, 2017 8 Welcome to the Bad Streets! "The Adventures of Bayou Billy" (#244) Aug 4, 2017 9 The Great Detective Arino!? "Nishimura Kyōtarō Misuterī: Blue Train Satsujin Jiken" (#245) Sep 8, 2017 10 What Type is Arino Again? "Super R-Type" (#246) Oct 6, 2017 11 A Space Worm?! "Earthworm Jim" (#247) Oct 20, 2017 12 Eat That Meat! "Bonk's Revenge" (#248) Nov 3, 2017 13 Never Miss a Photo Op! "Gekisha Boy" (#249) Nov 17, 2017 14 It All Started Here... "Dragon Quest" (#250) (1) Dec 8, 2017 15 And Thus Into Legend... "Dragon Quest" (#251) (2) Dec 22, 2017 16 Arino's Three Kingdoms: "Dynasty Wars" (#252) Jan 19, 2018 17 Move It! "Bazaru de Gozaru no Gemu Degozaru" (#253) Feb 2, 2018 18 Fight in 3D! "Virtua Fighter 2" (#254) Feb 16, 2018 19 Shin Nippon Pro Wrestling: Great Warrior in Tokyo Dome (#255) Mar 2, 2018 20 Shoot! Destroy! "Wild Guns" (#256) Mar 16, 2018