Lip Sync Battle is a television program that airs on Spike. The aim is two celebrities come and lip sync against each other and do itin a comedy way which includes dressing up. Rachel Bloom appeared on 16 June 2016
The show is a spin-off of a bit first introduced on Late Night with Jimmy Fallon. Merchant, Krasinski and Krasinski's wife, Emily Blunt, were brainstorming ideas for Krasinski's upcoming appearance on Late Night when the idea took shape. Jimmy Fallon then developed it into a recurring segment on his show. The game pits two celebrities against each other in a lip syncing battle for two rounds with the crowd determining the winner of the battle after the two rounds have been completed.