In The Big Bang Theory, fans got to know the couple of Penny and Leonard (Johnny Galecki), who ended up happily married after a long relationship that, like any real-life one, had its ups and downs.

The hit sitcom that aired on CBS from 2007 to 2019, The Big Bang Theory, focused on the stories of a group of scientist friends over its 12 seasons. The series is one of the best in its genre, and ...

Best known for popularizing the character of Spock, Nimoy has made countless cameos reprising the character, including on CBS' hit comedy "The Big Bang Theory." Perhaps his best appearance on the ...