The Magilla Gorilla Show (1964)

S1E8 Cradle Robber

While keeping watch over a safe, Ricochet and Droop-a-Long discover a baby left at their doorstep. Not realizing that the infant is actually the Cactus Kid in disguise, they decide to take him in. Before long, the Cactus Kid makes an attempt to swipe the safe, but the sheriff intervenes just in time. Once Ricochet figures out that the "baby" is the notorious Cactus Kid, he devises a clever plan to reform him.