- Previous episode S11E17 - The Athenaeum Allocation
- Number S11E18
- Director Mark Cendrowski
- Writers Eric Kaplan, Maria Ferrari, Andy Gordon, Steve Holland, Tara Hernandez, Jeremy Howe
The Gates Excitation
Penny gets the opportunity to host Bill Gates at work when his company wants to partner with her pharmaceutical company. Also, Leonard, Koothrappali and Wolowitz do everything in their power to meet him, while Sheldon thinks he is the victim of an April Fools prank.