Teach Grant

The heroes must confront a terrifying beast to rescue Hook, who is being held captive in Hades' prison; Mary Margaret looks for a childhood friend who has knowledge about defeating the monster.

Barry teams up with Wells to figure out a way to close the breaches, but they are distracted by a meta-human nicknamed Tar Pit (guest star Marco Grazzini) who can transform into liquid asphalt. Iris is concerned for Wally's safety after she finds out about his drag racing hobby. When he refuses to stop, she makes a bold move that puts her in danger.