Recycled from Episode 12: Lisa arrives at a hospital to see treatment for a premature baby.A make-up artist transforms Marc into an old man, explaining human aging along the way. In a separate film sequence, members of a family remember the final stage of their grandfather's life.ANIMATIONS: Newborn baby to one-year-old; average life spans of various species.THE BLOODHOUND GANG: ""The Case of the Thing in the Trunk, Part One."" The gang discovers a stolen mummy in the trunk of a car – and are locked themselves in the back of a van. (Concludes in next episode.)