S1, E12: Liz wonders if she’s actually on a date with Jack as she accompanies him to a birthday celebration for a foreign prince (guest star Paul Reubens). While at the ball, Liz sees a different side to Jack as he unexpectedly runs in to his ex-wife (guest star Isabella Rossellini). Back at 30 Rock, Tracy tempts Pete with a booze and babe-filled party in the office, while Kenneth the Page tries to keep Pete on the straight and narrow.