Michael Albala

A new doctor at Seattle Grace puts others on edge; Arizona struggles with phantom limb pain; Meredith is faced with her worst fear.

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.

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

Daniel attempts to free Charlotte from the addiction recovery centre, but can't prevent Conrad from getting his hands on her inheritance.

The International Response Team investigates when two American flight attendants go missing in Singapore.

Kate wrestles with her feelings following Toby's heart attack, Randall has to get used to his father's relationship with Jesse, and Jack and Rebecca must find a home that can accommodate their growing family.