Hope Lauren

A standoff ensues between the DEO and Astra's forces, Kara tries to refute Cat's allegations that she is Supergirl and Non, Astra's husband, kidnaps Hank.

Kara offers to help Winn when his homicidal father breaks out of prison. Alex convinces Hank to get inside Lord Industries.

A twisted version of Supergirl tries to destroy Kara; Cat's son (Blake Jenner) and Kara become closer.

A Man to Share the Night With: When Michelle Kwan comes in second place at the Olympics, Jessica tries to keep it from Emery and Evan. Louis changes Eddie's bedtime, hoping to spend more quality time together watching Letterman. (S4, E14)

Gaffney gets a surprise visit from a National Accreditation Board of Hospitals representative; Asher and Naomi search for the cause of a young girl's infection; Lenox and Frost work together to save the victim of an accidental shooting.

Maggie and Goodwin's friendship is tested as tensions rise during the nurses' union's negotiations with the hospital; Ripley and Archer treat a skateboarder struck by an emergency vehicle; Frost helps a young boy abandoned by his mother.