While looking for a distraction on Halloween, Conrad treats a group of witches who send the ER into chaos. Also, Devon treats a patient who thinks he is being haunted…

As tensions heat up among the team at Mutant HQ, no one knows who they can trust. Fearing for his family’s safety, Reed rethinks their future at the compound. Meanwhile,…

Marty travels to the Navarro estate, Ruth asks Frank Jr. for a favor, a new acting sheriff makes waves, and Wendy tries to bring Jim back into the fold.

MacGyver gets a shocking surprise when he tries to tell Matty that he’s quitting the Phoenix Foundation.