7don MSN
29 years ago, 'The Simpsons' and 'The X-Files' created the best sci-fi comedy crossover ever
While there have been others, no other show has produced a better crossover with 'The X-Files' than 'The Simpsons' did with "The Springfield Files." ...
3don MSN
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 ...
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