News & Spoilers
YAEL GROBGLAS ("JANE THE VIRGIN") GUEST STARS
Psi (guest star Yael Grobglas), a thief with psychic powers, attacks National City. Able to immobilize people by tapping into their worst fears, Psi proves a formidable opponent for Supergirl. Meanwhile, James (Mehcad Brooks) and Lena (Katie McGrath) are at an impasse, and Samantha starts her new job at L-Corp.
David McWhirter directed the episode written by Gabriel Llanas & Anna Musky-Goldwyn (#302).