Animated series. Dennis meets his hero, Grizzly Griller, who is planning a dangerous journey. But when Grizzly's fear gets in the way, Dennis takes his place. Show more
Discover 11,128,835 listings and 278,274 playable programmes from the BBC
Animated series. Dennis meets his hero, Grizzly Griller, who is planning a dangerous journey. But when Grizzly's fear gets in the way, Dennis takes his place. Show more