Tom is on the canals of Venice, singing opera. He ends up on a cruise ship, where another cat tricks him out of Jerry (who Tom has just caught), then mirrors his every move. Eventually the cats start chasing each other.
Unfortunately the movie Cat and Dupli-cat is not yet available on HBO Max.
| Directing | Chuck Jones | Director |
| Visual Effects | Ben Washam | Animation |
| Production | Earl Jonas | Production Manager |
| Writing | Chuck Jones | Story |
| Visual Effects | Don Towsley | Animation |
| Art | Philip DeGuard | Background Designer |
| Writing | Michael Maltese | Story |
| Sound | Eugene Poddany | Music |
| Production | Les Goldman | Production Supervisor |
| Production | Chuck Jones | Producer |
| Visual Effects | Ken Harris | Animation |
| Visual Effects | Richard Thompson | Animation |
| Visual Effects | Tom Ray | Animation |
| Directing | Maurice Noble | Co-Director |
