Aired Monday May 23, 3:30pm - 3:40pmon CBBC
Dennis & Gnasher Unleashed!Series 1 Episode 34: Extreme Sports Day
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?
- Adventure / Animated / Children
- Original air date
Cast and crew