from TheTVDB: Upon returning home, Rex finds that his kitchen has been overtaken by a mouse. Despite the best efforts of Bob and Wendy's boxing friend, they fail to overcome him. He tells them that he is Rex's long lost abandoned mouse, and subsequently is squashed by Vince's elaborately planned mechanism. Rex realises that the mouse is an imposter, and they celebrate his death.

2001 episode

contained in

Complete Collection (2002) - Discover the Joy of Rex. Join REX THE RUNT and his chums - the pert-bum-loving Wendy, Chuffy-chomping Bad Bob, and our own little Hoover-hankering Vince - for bizarre Telly adventures with Easter Island stone-head aliens, singing sausages, a Sinister Secret Laboratory, the Go-Back-In-Time-A-Tron and more!