October 10th, 2012
03:16 PM ET
Buzz Aldrin's showbiz resume has a new entry.
Called "The Holographic Excitation," the episode finds the "Big Bang" crew celebrating Halloween at Stuart's comic book store, and the writers have found a way for Aldrin to make a cameo as himself.
Catch Aldrin's appearance on October 25 at 8 p.m. ET.
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