Curb Your Enthusiasm
The Benadryl Brownie
S3 E2:
After a food allergy at Larry's restaurant, Deborah refuses to take medicine to clear up the hives on her face. Richard will not be seen with her at the Emmy Awards that night, so he and Larry concoct a plan to bake a batch of Benadryl-laced brownies for Deborah to eat.
Starring
Richard Lewis, Joan Rivers, Susie Essman