Leonard Nimoy, has come briefly out of retirement to do some voice work for The Big Bang Theory.
Nimoy will be heard on the March 29th episode, where he will play Spock in one of Sheldon’s (Jim Parsons) dreams.
The Big Bang Theory has had several other Star Trek actors on the show, including George Takei, Wil Wheaton, LeVar Burton and Brent Spiner.
The Big Bang Theory airs on CBS on Thursdays at 9 PM.
Source: Inside TV