How the Big Bang Theory paid tribute to Star Trek's Leonard Nimoy after his death

Star Trek legend Leonard Nimoy had a major influence on "The Big Bang Theory." Here's how the sitcom's creative team paid ...

How Leonard Nimoy's unexpected cameo in 'The Simpsons' launched the perfect 'Star Trek' crossover

One simple cameo for Leonard Nimoy resulted in one of the biggest 'Star Trek' crossovers, and now he's a staple of 'The ...