The Lone Chipmunks (1954)

In this Lone-Ranger spoof,a cleaned-up version of Pegleg Pete robs a western bank and makes his getaway, and decides to hide his loot in a tree inhabited by two chipmunks, the chattering-and-clattering Chip 'n' Dale. They resent the intrusion but really begin to give Pete a hard time when they discover a reward if posted for his capture. The cavalry arrives but Chip 'n' Dale have the situation well in hand.

Unfortunately the movie The Lone Chipmunks is not yet available on HBO Max.