Included as a special feature on the The Big Bang Theory (2007) season 12 Blu-ray and DVD collections.
Even though he was shown in clips, Wil Wheaton was not verbally acknowledged or placed in the IMDB credits like other cast members.
The plaque on Warner Brothers Stage 25 (now named "The Big Bang Theory") lists productions at this stage, including:
The Charge of the Light Brigade (1936)
The Adventures of Robin Hood (1938)
Dark Victory (1939)
Knute Rockne All American (1940)
High Sierra (1940)
Kings Row (1942)
Now, Voyager (1942)
Yankee Doodle Dandy (1942)
Casablanca (1942)
Auntie Mame (1958)
The Shootist (1976)
Blade Runner (1982)
Starman (1984)
The Witches of Eastwick (1987)
The Accidental Tourist (1988)
Gremlins 2: The New Batch (1990)
Batman Returns (1992)
Dave (1993)