Angel Heart

Angel Heart is the 20th episode of Season 10. It aired on April 29th, 2015.

Summary
CLAIRE NOVAK RETURNS — When Claire Novak (guest star Kathryn Love Newton) gets a lead on her mother, Amelia (guest star Leisha Hailey), who has been missing for years, Castiel (Misha Collins) asks Sam (Jared Padalecki) and Dean (Jensen Ackles) to help her. Castiel feels guilty for what he did to the Novak family and wants to make amends by reuniting Claire with her mom. However, when they find out what took Amelia, they realize there is a chance Claire may not get her happy ending.

Characters

 * Dean Winchester
 * Sam Winchester
 * Castiel
 * Claire Novak
 * Amelia Novak
 * Jimmy Novak
 * Tamiel

Featured Supernatural Beings

 * Angels
 * Seraphim
 * Grigori

Continuity

 * Castiel agonizes over his failure to keep his promise to Jimmy Novak in The Rapture to watch out for his family.

Trivia

 * Castiel is once again wearing a tie.