<P> Wil Wheaton plays a fictionalized version of himself . Wil played Wesley Crusher in Star Trek: The Next Generation, a character that Sheldon idolized as a child . In 1995 Wheaton made Sheldon's "mortal enemy" list after Wheaton failed to show up at a fan convention . Sheldon took a 10 - hour bus ride to attend the convention and was disappointed that Wheaton was a no - show . </P> <P> In season three, Sheldon enters a trading - card game tournament (Mystic Warlords of Ka'a) to confront Wheaton . When Sheldon is about to defeat his hated rival, Wheaton tells him that he missed the 1995 "Dixie Trek" convention because his grandmother had died . In sympathy, Sheldon deliberately messes up his next move to benefit Wheaton . Wheaton reveals that he lied about his grandmother and then wins the game by taking advantage of the opening Sheldon leaves him . Wheaton later plays in a bowling match against Sheldon, where he uses gamesmanship again, breaking up Leonard and Penny to win . </P> <P> In season four, Wheaton appears at a special screening of Raiders of the Lost Ark and uses his celebrity status to go to the front of a long line . This antagonizes Sheldon, who derides him as the "Jar Jar Binks of the Star Trek universe". Wheaton and his entourage effectively prevented Sheldon and his friends from attending the screening when the last seat in the theater went to the person directly in front of them in line . Ultimately, Sheldon steals the reels containing the prints of the film and Wheaton leads a mob of angry audience members after Sheldon . </P> <P> In season five, Wheaton invites the guys to a party at his house and appears to be genuinely sorry for his past actions, giving Sheldon a signed Wesley Crusher action figure as a way of thanking Sheldon for being a fan . His gesture is met with a renunciation of his "mortal enemy" status and a hug from Sheldon . Wheaton is invited to Howard's bachelor party, where he films the toasts and uploads them to the Internet, getting Howard and Raj in trouble with Bernadette . </P>

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