After their adventures overseas, the kids are relaxing in Pop's shoppe when they discover that Veronica and Pop Tate have been replaced by wind up dolls. Meanwhile, the soda Jughead was drinking is causing him to shrink to the size of a mouse.; Betty and Archie save Jughead from a dog and take him to State University. There they meet Dr. Jerkil, who's convinced the kids are dealing with aliens. They leave Jughead with the doctor, who discovers that the doctor can change via a potion into Mr. Clyde, a hideous man.; Mr. Clyde reveals to Jughead that he is an alien sent to collect earth samples and replace them with andriods. Clyde turns back into Jerkil, and puts Jughead in his pocket to go meet the spaceship. The old man then convinces Ethel to look through a telescope as Jerkil walks by. With the telescope, she sees Jughead tied up and sitting in Jerkil's pocket.; Dr. Jerkil convinces Ethel to go with him if she wants to see the Jughead figure. Archie and Betty come back to Jerkil's lab only to realize Jughead is in trouble and Jerkil is an alien. They track the alien android to a spaceship cleverly disguised as a diner. Ethel's scream destroys the alien android after realizing the figure in Jerkil's pocket really is Jughead. The shrinking solution then wears off of Jughead and the gang free Pop Tate and Veronica, who are tied up in the diner.; In the middle of winter, Greg has his mind on baseball.