The Squab And The Quail — [s5e21]

"The Hawking Excitation" (Season 5, Episode 21) of The Big Bang Theory centers on Sheldon’s desperate quest to meet guest star Stephen Hawking, orchestrated through a series of humiliating tasks imposed by Howard. The landmark 2012 episode drew high viewership and featured a memorable meeting where Hawking identified a mathematical error in Sheldon's work. Detailed plot and character information is available on the Big Bang Theory Wiki .