The Big Bang Theory

The Big Bang Theory is an American prime time TV Show.

Cast and Crew

 * Yeardley Smith, the voice of Lisa, guest-starred in a The Big Bang Theory episode called "".
 * Bob Newhart had a recurring guest role on The Big Bang Theory as Professor Proton, which he has reprised for Young Sheldon. He voiced in the Season 7 episode "Bart the Fink".
 * Professor Stephen Hawking guest-starred as himself in several episodes of The Big Bang Theory. He voiced in five episodes of The Simpsons, the first one being the Season 10 episode "They Saved Lisa's Brain".
 * Eric Kaplan, regular writer of The Big Bang Theory and Young Sheldon, wrote the Season 24 episode "The Saga of Carl".
 * Brian Posehn played recurring character Bert the geologist on The Big Bang Theory. He guest-starred in the Season 28 episode "A Father's Watch" as Dumlee and also co-wrote the comic story Gnaws.
 * Neil deGrasse Tyson guest-starred as himself on two episodes of The Big Bang Theory ("The Apology Insufficiency" and "The Conjugal Configuration"). He voiced in the Season 28 episode "The Caper Chase".
 * Wallace Shawn plays Dr. John Sturgis, a physics professor who is Meemaw's boyfriend on Young Sheldon. He guest-starred in the Season 30 episode "I Want You (She's So Heavy)" as Wallace the Hernia.
 * Ed Begley, Jr. plays Dr. Linkletter, a colleague of Dr. Sturgis who flirts with Meemaw and whose physics class Sheldon attends while Dr. Sturgis is in hospital on Young Sheldon. He guest-starred as in the Season 10 episode "Homer to the Max" and the Season 20 episode "Gone Maggie Gone".