A Night at the O-Fur-A is the first segment of episode five in Tom and Jerry Works, airing on August 14, 1999 in Cartoon Network, and on The WB in May 2, 1999.
Baritone singer Tom performs his rendition of the aria "Credo in un Dio crudel", which disturbs a sleeping Jerry.
- Tom Cat
- Jerry Mouse
- This cartoon is a remake of the 1964 The Cat Above and the Mouse Below, produced and directed by Chuck Jones.