Big Bang First Look: Sheldon Finally Meets Spock

It’s the photo that’s been five years in the making.

On Friday, upcoming Big Bang Theory guest star Leonard Nimoy tweeted a geektastic image from the set of the CBS hitcom.

As TVLine first reported, the Star Trek legend is set to be heard, not seen in next Thursday’s episode when he speaks to super-fan Sheldon (Jim Parsons, above), as Spock, in a dream sequence.

“We’ve been chasing Leonard for years, and he finally gave up,” Big Bang cocreator Chuck Lorre recently told TVLine. “We caught him.