HBO Admits Starbucks Cup in ‘Game of Thrones’ Episode Was a ‘Mistake’

HBO Admits Starbucks Cup in 'Game of Thrones' Episode Was a 'Mistake' Fans were quick to notice a coffee up accidentally left in a scene during the latest episode of ‘Game of Thrones.’ The television network has already-removed the coffee cup from the episode on HBO's streaming site. It is still visible in the On-Demand version of the episode, but will likely also be fixed soon.