The Lumberjack Festival is a lumberjack-themed festival seen in the episode "A Clockwork Origin".
While helping C.I.D.D. escape Victor Verliezer, Milo, Zack and Melissa enter the lumberjack festival. Zack thinks he will be mobbed by fans, but only a security guard recognizes him. They deduce that C.I.D.D. is looking for his true creator, Clyde Rickenbacker, and they find him. However Veriliezer finds them and he and his henchmen give chase.
The image gallery for Lumberjack Festival may be viewed here.