The Big Bang Theory
The Donation Oscillation
S12 E15:
Penny attempts to thwart Leonard's plan to be sperm donor for her ex; Bernadette, Wolowitz, Koothrappali and Anu turn Koothrappali's cancelled bachelor party into a couples trip on the `vomit comet'.
Starring
Keith Carradine, Brian Smith, Rati Gupta