E1 - The 21st Season Begins! "Marchen Maze" (#237) (2)

Aired: April 21, 2017

E2 - Don't Make Fun! "Renegade" (#238)

Aired: May 05, 2017

E3 - In Celebration of the Movie! "Densha de Go! 64" (#239)

Aired: May 19, 2017

E4 - The Kacho Arrives! "Um Jammer Lammy" (#240)

Aired: June 02, 2017

E5 - Jason the Kacho: "Splatterhouse 2" (#241) (1)

Aired: June 16, 2017

E6 - We'll Be Rescued, Right!? "Splatterhouse 2" (#242) (2)

Aired: July 07, 2017

E7 - GameCenter CX on The Pacific Ocean: Arino's First Challenge on a Boat! (#243)

Aired: July 21, 2017

E8 - Welcome to the Bad Streets! "The Adventures of Bayou Billy" (#244)

Aired: August 04, 2017

E9 - The Great Detective Arino!? "Nishimura Kyōtarō Misuterī: Blue Train Satsujin Jiken" (#245)

Aired: September 08, 2017

E10 - What Type is Arino Again? "Super R-Type" (#246)

Aired: October 06, 2017

E11 - A Space Worm?! "Earthworm Jim" (#247)

Aired: October 20, 2017

E12 - Eat That Meat! "Bonk's Revenge" (#248)

Aired: November 03, 2017

E13 - Never Miss a Photo Op! "Gekisha Boy" (#249)

Aired: November 17, 2017

E14 - It All Started Here... "Dragon Quest" (#250) (1)

Aired: December 08, 2017

E15 - And Thus Into Legend... "Dragon Quest" (#251) (2)

Aired: December 22, 2017

E16 - Arino's Three Kingdoms: "Dynasty Wars" (#252)

Aired: January 19, 2018

E17 - Move It! "Bazaru de Gozaru no Gemu Degozaru" (#253)

Aired: February 02, 2018

E18 - Fight in 3D! "Virtua Fighter 2" (#254)

Aired: February 16, 2018

E19 - Shin Nippon Pro Wrestling: Great Warrior in Tokyo Dome (#255)

Aired: March 02, 2018

E20 - Shoot! Destroy! "Wild Guns" (#256)

Aired: March 16, 2018