Season 4, Episode 1 - The Robotic Manipulation
Aired September 23, 2010
When Penny finds out that Sheldon has been talking to a girl, Amy Farrah Fowler, for months, she urges him to go out on a date with her. Penny soon finds herself going along for the ride as she accompanies Sheldon on his first ever date.
Meanwhile, Howard lands himself in an uncomfortable situation when he "borrows" a robotic hand from NASA and finds a creepy new use for the device.