To celebrate the 51st anniversary of the premiere of the original ?Star Trek? series on Friday, star William Shatner playfully mocked another famous galactic franchise: "Star Wars." Shatner, who played Captain James T. Kirk on the original series, shared a Guinness World Records? post to his Twitter page, which commemorated Star Trek Day by declaring ?Star Trek? the ?Most successful TV sci-fi franchise.? Shatner wrote, ?Hey @starwars," with the tongue sticking out and winking face emojis.