CBS has released a sneak preview for the next episode of Supergirl: "Red Faced."

Personal and professional stress get the better of Kara when she goes too far during a training exercise against Red Tornado, a military cyborg commissioned by Lucy Lane’s father, General Sam Lane. Also, Cat’s tough exterior is shaken by a visit from her judgmental mother, Katherine, and Alex enlists Winn to look into her father’s mysterious death.

Check out the trailer in the video below.

Check out preview images in our gallery at the bottom of the page.

"Red Faced" episode of Supergirl will air Monday, November 30 at 8:00 PM ET on CBS.