The Broadway veteran played the mom of Rebecca (Rachel Bloom) and had the chance to belt out a tune entitled "Where's the Bathroom?"
Watch the performance by clicking here.
"Crazy Ex-Girlfriend" stars Bloom as a "successful, driven and possibly crazy young Manhattan woman who impulsively gives up everything in a desperate attempt to find love and happiness in that exotic hotbed of romance and adventure: West Covina, CA."
"Crazy Ex-Girlfriend" also stars Santino Fontana, Donna Lynne Champlin, Vincent Rodriguez III, Pete Gardner and Vella Lovell.
