Tensions run high when Walker and Liam investigate a cold case together. Micki, still on desk duty, is working through her grief while slowly easing her way back into the…

Mike decides to give Vanessa a family-free holiday for Christmas; Ed accidentally shoots a bald eagle.

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…

Ripley struggles to keep Sully’s diagnosis a secret when the latter’s pregnant girlfriend comes to Med for help. Johnson works to earn a spot in Med’s trauma fellowship. Charles and…

An infection threatens Marcel’s risky liver transplant. Maggie and Charles help a struggling burn unit nurse. Goodwin is forced to make a tough decision about Bert’s future.

With Astra in captivity at the DEO, her husband, Non, captures Hank, leading to a tense standoff between the two sides. Also, Kara continues to refute Cat’s allegations that she…

Kara does her best to support Winn when his father, the supervillain Toyman, breaks out of prison and seeks out his son for unknown reasons. Also, Cat offers Lucy a…

Kara faces off against her mirror image when Bizarro, a twisted version of Supergirl, sets out to destroy her. Also, Kara grows closer with Cat’s son, Adam.