CBS' The Big Bang Theory is adding another on-brand guest star.
Microsoft co-founder Bill Gates has booked a one-episode appearance on the current 11th season of the geek-tastic comedy.
Gates - March - Episode - Penny - Kaley
Gates will play himself in a March episode during which Penny (Kaley Cuoco) hosts him at work. And as you'd expect from Big Bang, the Sheldon (Jim Parsons), Leonard (Johnny Galecki), Raj (Kunal Nayaar) and Howard (Simon Helberg) do everything...