The Big Bang Theory
Summary
From early in the show ’s footrace , they manage to reserve incredible cameo from some of the big name in popular franchises , such asStar Wars , Star Trek , technology and educational skill shows . Due to the nature of the characters , and their deep reverence for many of these subject , the crowd frequently loses their poise . Most of these cameo also only appeared in one or two instalment . However , some guest champion returned again and again , becoming a more regular part of the show .
12Bill Nye
The Big Bang Theory Season 7, Episode 7 And Season 12, Episode 1
Bill Nye the Science Guywas a popular scientific discipline education show hosted by Nye himself . InThe Big Bang Theory , Bill Nye had a lineal competitorknown as Professor Protonwho also hosted an educational science show for kids , and this is who Sheldon preferred grow up . However , when Sheldon feels fail and hurt by his childhood hero sandwich ask his roomy to read one of his research papers , Sheldon attempts to make him jealous by get hold of Nye . intelligibly , this principally results in Sheldon adding another restraining fiat to his growing collection . He also appears in a abbreviated cameo subsequently in the serial publication when Neil DeGrasse Tyson send for him .
11Bob Newhart
Recurring
Bob Newhart is a long - time comic who starred in several sitcoms during the 70s and 80s . He also terminate up becoming a go back guest star onThe Big Bang Theoryas Sheldon ’s childhood hero , Professor Proton . The character is a clear parody of Bill Nye ’s , but over the course of six appearances on the show , it becomes exonerated just how muchSheldon cares about and idolise Arthur Jeffries , the military personnel behind Professor Proton .
As its parent serial , there are just a lot of things that The Big Bang Theory does so much better than its prequel spin - off , Young Sheldon .
10Steve Wozniak
The Big Bang Theory Season 4, Episode 2
The other Colorado - father of Apple , Steve Wozniak took a much longer meter to rise to fame than Steve Jobs , as Jobs adopted more of a frontman persona and the two had personal conflicts . The Woz is let on to be Sheldon ’s fifteenth preferent technological illusionist , which places him several places onward of Jobs in Sheldon ’s admiration . Sheldon bumps into the Woz at The Cheesecake Factory when he is making utilisation of a crudely construct robot to interact with the outside world while he remains safe at home .
9Summer Glau
The Big Bang Theory Season 2, Episode 17
Summer Glau is a pop actressin pop culture , having seem in bothFireflyand theTerminatorfranchise , among other sci - fi roles . When the gang spots Summer sharing a train handcart with them on a foresightful - haul journeying , a few ofthe guys make up one’s mind to shoot their shot and strike up a conversation . However , the boy ' ineptitude when it comes to talking to women comes shining through , and they all ultimately leave a risky impression . The cameo is great due to the comedy it adds to the installment and reveals how the characters may be ripe in some ways , but positively juvenile in others .
8LeVar Burton
The Big Bang Theory Season 4, Episode 17, Season 6, Episode 7, And Season 8, Episode 10
Most famous for his portrayal of Geordi LaForge inStar Trek : The Next Generation , LeVar Burton is another significant perfection for the cat inTBBT . When Sheldon reaches out on Twitter to take in Burton to a biz nighttime , Burton arrives a little too late after Sheldon has already left . However , afterward in the series , Sheldon does get to interact with LeVar when he invites him toguest star on his web serial , " Fun with iris , " which Burton does twice before sustain Sheldon erase his contact information .
7Brent Spiner
The Big Bang Theory Season 5, Episode 5
Another principal fromStar Trek : TNG , Brent Spiner , played theincredibly popular Data . Brent Spiner meets the grouping while attend a birthday political party for Wil Wheaton , and during their interaction , he settle totake a pristine natural action figure of Wheaton out of the packaging . This obviously incites the ire of Sheldon , who chooses to add Spiner to his list of mortal enemy . The interaction is comical and displays the high esteem Sheldon give to the breathless figures in his living , even over real - life idol .
Brent Spiner is still most well - make out for his role as Data on Star Trek , but the doer has many other neat office in picture show and tv set .
6Mark Hamill
The Big Bang Theory Season 11, Episode 24
Mark Hamill is best known for playing Luke Skywalker in theStar Warsmovies , and clearly , as one of the most iconic figures in pop culture , the guy are in awe of him . When Howard by the way stumbles into Hamill by find and hark back his domestic dog , Mark offers a reward , and Howard requests that Hamill come and function at Sheldon and Amy ’s wedding as a surprise . Thebeautiful moment when Sheldon gather Hamilland again moments after when Hamill wear out down in weeping because of Sheldon and Amy ’s beautiful vows to each other makes this one of the absolute good guest coming into court on the show .
5Carrie Fisher
The Big Bang Theory Season 7, Episode 14
Another actor fromtheStar Warsfranchise , in short before her decease , Carrie Fisher , guest star in an episode ofTBBTalongside James Earl Jones . Fisher and Jones had never in reality met in material life until this encounteronTBBT , which make it all the more special ( viaLooper ) . The abbreviated coming into court in the show expose a wonderfully playful relationship between Fisher and Jones , and Sheldon gets in on the natural process play ding - dong ditch with his idols .
4Stephen Hawking
The Big Bang Theory Season 5, Episode 21, And Season 11, Episode 1
One of the most beloved and influential figure in Sheldon ’s life history is undoubtedly the great physicist Stephen Hawking . Hawking is reference in several episodes , but it is n’t until the destruction of the 5th season that he appears on the show . WhenHawking is brought to Caltech as a invitee lecturer , Howard is recruit to help maintain his wheelchair . Sheldon , excited about the opportunity to suffer his grinder , asks Howard to pass on a research paper , which he does , and Hawking reaches out to praise his work . However , Sheldon gets a bounderish awakening when Hawking points out a glaring wrongdoing early on in the paper which entirely criticize Sheldon ’s confidence .
vending also appears concisely in other episodes through either a fast voice cameo or via call , but it was n’t untilThe Big Bang Theoryseason 11that vendition would share the screen with Sheldon again . When Sheldon rebuke those around him for neglecting the presence of one of the world ’s greatest minds to talk about themselves , pitch tries to communicate the irony of what Sheldon is also doing , but it fails to bring down . Stephen Hawking also passed away shortly after this final appearance .
For a show to last long , it has to please its die - concentrated fans . The Big Bang Theory had plenty of examples of that .
3Stan Lee
The Big Bang Theory Season 3, Episode 16
When most of the guys get a prospect to meet Stan Lee , Sheldon is force to miss out due to a parking tag he incurred while helping Penny earlier in the show . Penny palpate bad and decides totake Sheldon to the home of Stan Leeto meet his idol , which goes about as well as one could expect when stranger turn up at the house of a celebrity perfection . Sheldon cease up with a restraining ordering from his hero , which he hang proudly at home next to another restraining order from Leonard Nimoy .
