Season 4 Episode 16
A man guards his sick son closely and has sole custody, while the boy’s worried mother desperately wants to be reunited with her child. Its later revealed the mother is a werewolf, and their son inherited her lycanthropy; she kills the father to reunite with her son, who has been unable to control his changes.
Written by Edithe Swensen, directed by Tom Savini, and guest-starring Patricia Tallman.