Stress makes Kara go too far during a training exercise against a military cyborg commissioned by General Sam Lane, while Cat's mother comes to visit and Winn helps Alex investigate her father's death.
Did You Know?
Chyler Leigh, who plays Alex, and Glenn Morshower, who plays General Sam Lane, previously appeared together in episode 6x20 of Grey's Anatomy. See more
In Kara's first fight against the Red Tornado she freezes then breaks off the android's left arm. He immediately flies off, but his right arm is shown lying on the ground at Supergirl's feet.
Later, when Alex takes the arm to Maxwell Lord for his help in finding Red Tornado, it is again the right arm when it should be the left. See more
Would you like me to call your mother a car?
She can take her broom.
Supergirl End Theme
Written by Blake Neely See more