Leonard Nimoy and William Shatner shared a unique chemistry, making their on-screen performances and off-screen appearances a treat for fans for six decades. Here Shatner and Nimoy share a moment during Spock's death scene in "Star Trek II: The Wrath of Khan."
Leonard Nimoy and William Shatner shared a unique chemistry, making their on-screen performances and off-screen appearances a treat for fans for six decades. Here Shatner and Nimoy share a moment during Spock's death scene in "Star Trek II: The Wrath of Khan."
From Paramount
Nimoy and Shatner appear in an episode of "The Man From U.N.C.L.E" in 1964, before starring in "Star Trek" together.
Nimoy and Shatner appear in an episode of "The Man From U.N.C.L.E" in 1964, before starring in "Star Trek" together.
From MGM Television
Shatner and Nimoy appeared in the original "Star Trek" TV series from 1966 to 1969.
Shatner and Nimoy appeared in the original "Star Trek" TV series from 1966 to 1969.
Paramount/Everett Collection
Nimoy, Shatner and DeForest Kelley (behind Shatner) pose for a portrait with writer Gene Roddenberry (standing, back) and director Robert Wise during the filming of 1979's "Star Trek: The Motion Picture."
Nimoy, Shatner and DeForest Kelley (behind Shatner) pose for a portrait with writer Gene Roddenberry (standing, back) and director Robert Wise during the filming of 1979's "Star Trek: The Motion Picture."
Michael Ochs Archives/Getty Images
Nimoy and Shatner appear during a news conference promoting "Star Trek: The Motion Picture" in 1979 at the Paramount Theater in Los Angeles.
Nimoy and Shatner appear during a news conference promoting "Star Trek: The Motion Picture" in 1979 at the Paramount Theater in Los Angeles.
Ron Galella/WireImage/Getty Images
Shatner and Nimoy are seen during the filming of a "T.J. Hooker" episode. Nimoy appeared in a cameo performance in the show that starred Shatner.
Shatner and Nimoy are seen during the filming of a "T.J. Hooker" episode. Nimoy appeared in a cameo performance in the show that starred Shatner.
ABC Photo Archives/Getty Images
Nimoy and Shatner during a scene of "Star Trek IV: The Voyage Home."
Nimoy and Shatner during a scene of "Star Trek IV: The Voyage Home."
Paramount/Everett Collection
Shatner and Nimoy during 59th Annual Academy Awards on March 30, 1987, at the Shrine Auditorium in Los Angeles. The duo were presenters at the show.
Shatner and Nimoy during 59th Annual Academy Awards on March 30, 1987, at the Shrine Auditorium in Los Angeles. The duo were presenters at the show.
Ron Galella, Ltd./WireImage/Getty Images
Shatner and Nimoy host the Hollywood Charity Horse Show on April 26, 1997, in Burbank, California.
Shatner and Nimoy host the Hollywood Charity Horse Show on April 26, 1997, in Burbank, California.
Hulton Archive/Getty mages
Nimoy and Shatner sign posters and other memorabilia while promoting the video "Mind Meld: Secrets Behind the Voyage of a Lifetime" at FYE in Los Angeles on March 17, 2002.
Nimoy and Shatner sign posters and other memorabilia while promoting the video "Mind Meld: Secrets Behind the Voyage of a Lifetime" at FYE in Los Angeles on March 17, 2002.
Kevin Winter/ImageDirect/Getty Images
Nichelle Nichols, Shatner, James Doohan and Nimoy pose during the TV Land Awards 2003 at the Hollywood Palladium on March 2, 2003. The classic show received the pop culture award.
Nichelle Nichols, Shatner, James Doohan and Nimoy pose during the TV Land Awards 2003 at the Hollywood Palladium on March 2, 2003. The classic show received the pop culture award.
Frank Micelotta/Getty Images
At the 2005 TV Land Awards, Nimoy and Shatner present the "Queen of the Quip" award to Roseanne Barr on March 13, 2005, in Santa Monica, California.
At the 2005 TV Land Awards, Nimoy and Shatner present the "Queen of the Quip" award to Roseanne Barr on March 13, 2005, in Santa Monica, California.
Vince Bucci/Getty Images
Shatner and Nimoy speak to fans at a "Star Trek" convention at the Las Vegas Hilton on August 19, 2006.
Shatner and Nimoy speak to fans at a "Star Trek" convention at the Las Vegas Hilton on August 19, 2006.
Ethan Miller/Getty Images
Nimoy and Shatner attend the Hollywood Charity Horse show at the Los Angeles Equestrian Center on April 25, 2009.
Nimoy and Shatner attend the Hollywood Charity Horse show at the Los Angeles Equestrian Center on April 25, 2009.
Amanda Edwards/Getty Images
Shatner and Nimoy appear at Atlanta's Dragon Con in 2009.
Shatner and Nimoy appear at Atlanta's Dragon Con in 2009.
cody mccloy/CNN