![Big Bang Theory: Who was Leonard Nimoy, when did he star in The Big Bang Theory? | TV & Radio | Showbiz & TV | Express.co.uk Big Bang Theory: Who was Leonard Nimoy, when did he star in The Big Bang Theory? | TV & Radio | Showbiz & TV | Express.co.uk](https://cdn.images.express.co.uk/img/dynamic/20/590x/Leonard-Nimoy-The-Big-Bang-Theory-1276158.webp?r=1588267382749)
Big Bang Theory: Who was Leonard Nimoy, when did he star in The Big Bang Theory? | TV & Radio | Showbiz & TV | Express.co.uk
![Spock dead: The Big Bang Theory fans call for tribute episode for Star Trek's Leonard Nimoy after cameo - Irish Mirror Online Spock dead: The Big Bang Theory fans call for tribute episode for Star Trek's Leonard Nimoy after cameo - Irish Mirror Online](https://cdn.jwplayer.com/v2/media/wCNT2uVM/poster.jpg)
Spock dead: The Big Bang Theory fans call for tribute episode for Star Trek's Leonard Nimoy after cameo - Irish Mirror Online
![Leonard Nimoy's Son Makes Sheldon's Dreams Come True on 'The Big Bang Theory' | Entertainment Tonight Leonard Nimoy's Son Makes Sheldon's Dreams Come True on 'The Big Bang Theory' | Entertainment Tonight](https://www.etonline.com/sites/default/files/styles/max_1280x720/public/images/2015-10/640_tbbt_spock.jpg?itok=_hsIpMFz)