Della the Head Witch gives Sabrina the assignment to hex Wanda DeMoola and break up her romance with Hal Flipp. What Della doesn't tell Sabrina is that Wanda is a witch, too, and the two girls use spells and potions against each other.; The Smasher keeps bullying Ronald, who finally gets fed up and challenges him to a boxing match. In the ring, Ronald uses his stretching powers to outwit the Smasher.; The President calls on Captain Sprocket to defeat Neptunia, the girl from Venus, who is scouting the Earth for a possible invasion.; A failed experiment turns Professor Transistor into a human geiger counter, who is sensitive to the presence of gold.; The Pink Martian shows us the teens from other planets that may steal away our girlfriends.; Les makes himself a superhero suit and also makes one for Ches.; A space cadet passes all the astronaut tests except being able to read a copy of Mad House.; Hal explains to Nancy that on the Moon, they only weigh about one-ninth of their normal weight. Nancy thinks that means she can overeat without gaining weight.; All the characters on television shows take a break outside the TV set before returning inside when the TV is turned back on.; Postage stamp parody featuring monster-themed stamps.