Shankman has directed commercial campaigns for Macy's, Marshalls and Schick, as well as primetime television pilots and shows, including "Being Mary Jane", "Glee", AJ and the Queen, and "Modern Family". He has directed several shorts for Funny or Die, including "Prop 8, The Musical" starring Jack Black and written by composer Marc Shaiman. According to "TIME" magazine, "Prop 8, The Musical" was Marc Shaiman's attempt to pick apart the anti-gay marriage lobby's logic. Lending support to the cause were actors Jack Black, John C. Reilly, Maya Rudolph, Craig Robinson, Neil Patrick Harris and Allison Janney.