The intro movie in the original Fallout is shown playing on a television with the label "Radiation King" during the game's opening. The name comes from the Simpsons episode "Grampa vs. Sexual Inadequacy", in which it shows a television with the same name that Homer Simpson watched from as a boy.

In Fallout 3, Radiation King becomes an established pre-war company, along with with an accessible store-building, that has televisions, radios and jukeboxes on display with the brand names on them.