Season 3 Episode 3: “Far From the Tree”
CARLOS BERNARD (“24”) GUEST STARS; HELEN SLATER RETURNS — Eliza (guest star Helen Slater) throws Alex (Chyler Leigh) and Maggie (guest star Floriana Lima) a wedding shower, which causes Maggie to reach out to her estranged father (guest star Carlos Bernard). Supergirl (Melissa Benoist) joins J’onn (David Harewood) on a personal mission.
Directed by: Dermott Downs
Written by Jessica Queller & Derek Simon (#303).
Original airdate 10/23/2017 (USA) / 24/10/17 (AUS)