NBC released the official synopsis for “Chuck vs. the Tooth”, episode 3.16:
CHUCK THE SPY NEEDS A THERAPIST – CHRISTOPHER LLOYD (“BACK TO THE FUTURE”) GUEST STARS – Chuck (Zachary Levi) struggles with disturbing dreams and now he believes his most recent dream predicts danger for a visiting head of state. General Beckman (Bonita Friedericy), however, is unconvinced and assigns Chuck to meet with a CIA psychiatrist Dr. Leo Dreyfus (guest star Christopher Lloyd). Meanwhile, Ellie (Sarah Lancaster) gets surprising news and Anna (guest star Julia Ling) returns to the Buy More to talk to Morgan (Joshua Gomez). Yvonne Strahovski, Adam Baldwin, Ryan McPartlin, Scott Krinsky and Vik Sahay also star.
This episode airs Monday, May 10 at 8/7c.