A dinosaur's toe bone was missing from the museum in which Tom and Jerry work; they see Spike carrying what they think is the missing bone, so they try to get it away from him./An old traveler in a desert gives Tom and Jerry a map to a gold mine to thank them for saving his life; the two of them fight over it, and also have to deal with the outlaw Black Barney who wants it too./Tom and Jerry's day at the beach is being interrupted by a macho cat (vocal effects provided by John Stephenson) who will not leave them alone. They plan to get revenge on the cat in creative ways, and also get Spike involved.