The Magilla Gorilla Show S01 E35 Itchy-Finger Gunslinger

Ricochet is challenged to a duel. While he is waiting for his opponent, Droop-a-long gets knocked out by a brick that has a note saying that while Ricochet was dumb enough to believe his first note, he's going to rob the bank. Ricochet arrives back in time to go after the robber and are soon chased by an unexpected visitor.