Season 21

01 The 21st Season Begins! "Marchen Maze" (#237) (2) Episode 121st April 2017 02 Don't Make Fun! "Renegade" (#238) Episode 25th May 2017 03 In Celebration of the Movie! "Densha de Go! 64" (#239) Episode 319th May 2017 04 The Kacho Arrives! "Um Jammer Lammy" (#240) Episode 42nd June 2017 05 Jason the Kacho: "Splatterhouse 2" (#241) (1) Episode 516th June 2017 06 We'll Be Rescued, Right!? "Splatterhouse 2" (#242) (2) Episode 67th July 2017 07 GameCenter CX on The Pacific Ocean: Arino's First Challenge on a Boat! (#243) Episode 721st July 2017 08 Welcome to the Bad Streets! "The Adventures of Bayou Billy" (#244) Episode 84th August 2017 09 The Great Detective Arino!? "Nishimura Kyōtarō Misuterī: Blue Train Satsujin Jiken" (#245) Episode 98th September 2017 10 What Type is Arino Again? "Super R-Type" (#246) Episode 106th October 2017 11 A Space Worm?! "Earthworm Jim" (#247) Episode 1120th October 2017 12 Eat That Meat! "Bonk's Revenge" (#248) Episode 123rd November 2017 13 Never Miss a Photo Op! "Gekisha Boy" (#249) Episode 1317th November 2017 14 It All Started Here... "Dragon Quest" (#250) (1) Episode 148th December 2017 15 And Thus Into Legend... "Dragon Quest" (#251) (2) Episode 1522nd December 2017 16 Arino's Three Kingdoms: "Dynasty Wars" (#252) Episode 1619th January 2018 17 Move It! "Bazaru de Gozaru no Gemu Degozaru" (#253) Episode 172nd February 2018 18 Fight in 3D! "Virtua Fighter 2" (#254) Episode 1816th February 2018 19 Shin Nippon Pro Wrestling: Great Warrior in Tokyo Dome (#255) Episode 192nd March 2018 20 Shoot! Destroy! "Wild Guns" (#256) Episode 2016th March 2018