Innerpeace 's video: TBBT- Bill Gates is visiting Penny s pharmaceutical company Sheldon believes it s a prank

The guys are excited that Bill Gates is visiting Penny's pharmaceutical company though she says they cannot meet him. Sheldon believes it's an April Fools Day prank. Leonard sees what hotel he is staying at on Penny's schedule, so he, Raj and Howard meet Gates in the lobby the day before. Once Sheldon sees proof the guys twice send him to the wrong hotel as the real prank. Penny says Leonard can meet Bill for real so he fakes being sick to avoid him. But Penny puts Bill on a video call, exposing what Leonard did. Sheldon later thinks the apology dinner is for him. Meanwhile, Amy is tired of Bernadette only talking about her kids; so Bernadette uses her expanded maternal brain to learn morbid science facts.