It was the 14th episode of Season 8, but you seem to have remembered it wrong. Laida said a line about "hiding behind anonymity". I watched it back and forth several times

It is said to be the 21st episode of the fifth season of "The Big Bang Theory". Stephen Hawking will guest star in this episode, broadcast time: April 5 (April 6, Beijing time) ps: The picture shows a photo of Simon Helberg, who plays Howard, and Hawking!!!

PS: Because The 20th episode of The Big Bang Theory Season 5 will be suspended for two weeks due to the broadcast of NCAA games

Extended information

It’s true, the famous physicist Hawking made a guest appearance in the American TV series "The Big Bang Theory" "Season 5, Episode 21, as shown in the picture:

"The Big Bang Theory" (English: TheBigBangTheorySeason1) is directed by Mark Zendrowski and written by Chuck Lorre and Bill Brady , an American sitcom co-starring Jim Parsons, Johnny Galecki, Kaley Cuoco, Simon Helberg, Kunao Nayyar and others. Aired on CBS in 2007. The play tells the completely different and funny life stories of four nerdy scientists and a beautiful neighbor.

Stephen William Hawking, CH, CBE, FRS, FRSA (English: Stephen William Hawking, January 8, 1942 -), a famous physicist at the University of Cambridge in the United Kingdom, is known as the successor to Einstein One of the most outstanding theoretical physicists. People with amyotrophic lateral sclerosis are paralyzed and unable to speak. From 1979 to 2009, he served as Lucasian Professor of Mathematics, the most prestigious professorial position in the UK.

Hawking is the most important contemporary general relativity and cosmologist. He is one of the great men with an international reputation today. He is known as one of the greatest living scientists and is also known as the "King of the Universe." ".