Unlike his co-star Jim Parsons, Johnny Galecki had a different perspective on how The Big Bang Theory ended—and he wasn’t shy about it. Galecki reportedly felt that the show's conclusion didn’t do justice to certain characters' arcs, and surprisingly, the showrunners acknowledged his concerns. What exactly did Galecki disagree with, and how did it affect the finale? Watch the video to find out more about this behind-the-scenes debate!