No Joke
Show: Dennis & Gnasher --> Season: 1 - Series 1
AirDate: 9/16/2009
Runtime: 10
Voting: 0 (0)

Overview: The joke shop owner, Mr Har Har, needs Dennis's help to persuade his mother not to close the joke shop down. The gang decides to try and pass Mr Har Har off as a successful vet.