You're Joking Dennis & Gnasher : Season 1 Episode 52
TV-Y (DVD rating) CBBC 12m
Aired: November 30th, 2010 @ 3:40 PM EST on CBBC
Dennis makes a line of practical jokes for Mr. Scrimp, called 'The Menace Collection.' However, Dennis soon learns that it will put Mr. Har Har out of business.
