Wil Wheaton and LeVar Burton. (Getty Images)
Vexillology sounds like it could be a common term among the crew of the Starship Enterprise on "Star Trek," but it's actually the term for the study of flags. Fans of "The Big Bang Theory" may already know this, as a Season 5 episode featured Sheldon Cooper's video podcast, "Dr. Cooper presents Fun With Flags."
And good news, everyone! The show recently announced that Sheldon (played by Emmy Award-winner Jim Parsons) will unveil another episode of his vexillolgy tutorial, this time with the help of "Star Trek: The Next Generation" actors Levar Burton (Geordi La Forge) and Wil Wheaton (Wesley Crusher).
See also: 'Saved by the Bell' star Lark Voorhies has bipolar disorder, according to her mother
This won't be the first time for either science fiction actors to appear on the CBS comedy. Burton made a short cameo in an episode called "The Toast Derivation" in February 2011, in which he arrives late to a party, catching the boys in a sing-a-long to "I'm Walking on Sunshine." Wheaton has a recurring role on the show as one of Sheldon's biggest nemeses, but the two have made amends since Wheaton finally gave Sheldon the signed "TNG" action figure he desired as a child.
No other details have been revealed about the episode, other than it will air on Nov. 8.