Brent Spiner to Guest Star on The Big Bang Theory’s Star Trek Reunion! – Keep up with the latest News! – Become a Fan! – Follow Us! – Get more news & buzz around the top TV shows online! Guest star buzz on The Big Bang Theory with the return of Wil Wheaton and Star Trek’s Data, actor Brent Spiner. TRANSCRIPTION A Star Trek reunion on The Big Bang Theory — I’m Yael with the scoop on today’s The Big Bang Theory TV News. Wil Wheaton returns to The Big Bang Theory to taunt Sheldon but this time he’s bringing backup in the form of Data — guest star Brent Spiner will appear in a Treky’s wet dream of an episode on Oct 13th. Don’t miss an episode of The Big Bang Theory, Thursdays on CBS.