Extreme Sports Day Dennis & Gnasher: Unleashed! : Season 1 Episode 34
TV-Y (DVD rating) CBBC
Aired: May 30th, 2018 @ 7:15 AM EST on CBBC
Dennis recruits Grizzly Griller to help make school sports day more extreme, but as he and JJ get competitive against each other, who is sabotaging both their chances of winning?
