Paradise Towers two elderly residents ("rezzies") live. Tilda and Tabby explain that all the able-bodied men left the Towers to fight a war, leaving behind only children and the elderly. The only other man still loose in the Towers is Pex, a would-be hero, who appoints himself Mel's guardian. At the Caretaker control centre, the Doctor meets the Chief Caretaker, who greets him as the Great Architect, designer of Paradise Towers, and then promptly calls for him to be killed The Doctor cites an imaginary rule from the Caretakers' manual, confusing them enough to make his escape. Mel and Pex meanwhile have
Is There a Doctor in the Mouse? potion wear off, and Jerry barely escapes Tom. Jerry makes a second potion, but this time, it is an enlargement potion, which enlarges its consumer to an unbelievably large size. Tom catches Jerry's tail and somehow manages to pull him through the wall. When Tom can no longer tug the load around, he turns around to see the mega-Jerry sadistically raising his eyebrows and waving at him. Tom begins to laugh at the Super Sized Jerry, until he realizes his dire predicament and then begins to cry, thinking about what the now-giant Jerry is going to do to him, as