Beer coasters in Big Bang Theory style. Sorry for empty glass, but I have no beer yet. (I drank them all yesterday)

The Big Bang Theory is an American television sitcom created by Chuck Lorre and Bill Prady, both of whom served as executive producers and head writers on the series, along with Steven Molaro. It aired on CBS from September 24, 2007, to May 16, 2019, running for 12 seasons and 279 episodes.[3]

Source: https://en.wikipedia.org/wiki/The_Big_Bang_Theory