Based on My Best Friend is Invisible, book #57 of the original Goosebumps series.
Sammy Jacobs discovers an invisible boy hiding out in his house.
The episode provides examples of:
- Adapted Out: Simon is cut out, as well as the cat.
- Adaptational Villainy: While Sammy and his parents in the book are revealed to be aliens, with Brent being one of the few humans alive, they're still implied to be nice enough people. In the episode it's revealed that the aliens actually took over Earth and Brent turned invisible to escape them, and the episode ends with Sammy and his parents ganging up on Brent.
- Synchro-Vox: Used to depict the Jacobs family.
