In the episode, Dr. McKay (David Hewlett) is trapped in a Puddle Jumper as it sinks toward the bottom of the ocean — and his head wound conjures up a hallucination of SG-1‘s Samantha Carter to help him out.
Beware of spoilers!
“Grace Under Pressure” premieres Friday, January 27 at 9 p.m. Eastern/Pacific on The SCI FI Channel in the U.S.!