The Troublemaking Dorombo Gang is the 1st episode of original Yatterman. It first aired on January 1st, 1977.
Gan Takada finishes his new robot dog Trigger Machine Wan. The Doronbo Gangler start a restaurant when they receive a package with a cake in it revealing to be their master Dokurobei Yaboon giving them the task to locate all of the Dokuro Collection pieces. The gang uses their new mech Kitchenbot to break into the New Yack bank to locate one of the pieces but Yatterman and Yatterman-2 stop them.