Knock It Off
- Episode aired Jul 12, 2002
- TV-Y7
- 22m
"Knock it Off" When the Professor's college roommate sees his brilliant creations, he decides to cash in on the popularity of the Powerpuffs. (22 Minutes)"Knock it Off" When the Professor's college roommate sees his brilliant creations, he decides to cash in on the popularity of the Powerpuffs. (22 Minutes)"Knock it Off" When the Professor's college roommate sees his brilliant creations, he decides to cash in on the popularity of the Powerpuffs. (22 Minutes)