Jerry and his little French mouse friend are raiding while the king sleeps. They awaken him and he calls for Tom to give him an ultimatum: One more sound from the mice and it's off with Tom's head. The mice hear this and team up to torment Tom.
Unfortunately the movie Royal Cat Nap is not yet available on HBO Max.
| Directing | William Hanna | Director |
| Production | William Hanna | Producer |
| Directing | Joseph Barbera | Director |
| Production | Joseph Barbera | Producer |
| Sound | Scott Bradley | Original Music Composer |
| Visual Effects | Carlo Vinci | Animation |
| Visual Effects | Lewis Marshall | Animation |
| Visual Effects | Kenneth Muse | Animation |
| Directing | Richard Bickenbach | Layout |
| Art | Robert Gentle | Background Designer |
