Recent Blog Posts. Characters. TheBigBangTheory.TCE-14 Amy and Sheldon hold hands. All good things must come to an end, and the same is true about the series of TheBigBangTheory. 'TheBigBangTheory' premiered on CBS on , following a nerdy group of friends and their beautiful neighbor. From Jim Parsons to Kaley Cuoco, here's where thecast is now. TheBigBangTheory watch online for free. Thecast of "TheBigBangTheory" will almost certainly be forever associated with their tenure on that show more than anything else in their CV.Johnny Galecki isn't the only "TheBigBangTheory" actor who has strong positive feelings about the monumental impact the show had on them. Cast of TheBigBangTheory TV show Melissa Rauch, Johnny Galecki, Kaley Cuoco, Simon Helberg, Jim Parsons, Mayim Bialik and Kunal Nayyar attending the People's Choice Awards 2016 Press Room at Microsoft Theatre L.A. Live in Los Angeles, CA, USA on . TheBigBangTheoryCast: Johnny Galecki, Jim Parsons, Kaley Cuoco, Simon Helberg, Kunal Nayyar, Sara Gilbert, Mayim Bialik, Melissa Rauch, Kevin Sussman and Laura Spencer. Summary. Reviewers say 'TheBigBangTheory' is acclaimed for its early seasons' clever humor, strong character development, and science-pop culture blend. The chemistry between Sheldon and Leonard, and the show's accessible science approach, are highlights. Discover the dynamic relationship of Kaley Cuoco and Johnny Galecki from TheBigBangTheory. Explore their on-screen chemistry and fun moments!See more videos about Kaley Cuoco Gives Award to Jim Parsons, Kaley Cuoco, Kaley Cuoco in The Flight Attendant, Johnny Galecki.