"Teenage Sponge Boys from Outer Space" is the third and final story in Goosebumps Triple Header: Book 1.
Mac and Becky find out that their new friends Dirk and Deke are aliens.
|Goosebumps Triple Header series|
|Book 1||Ghost Granny • Spin the Wheel of Horror • Teenage Sponge Boys from Outer Space|
|Book 2||Ghoul School • The Revenge • The Mummy with My Face|