"Amok Time" introduced key Vulcans like T'Pring, T'Pau, and Stonn, highlighting Vulcan culture and the iconic hand salute. Vulcans are one of Star Trek's most iconic alien species, but Vulcans ...
Nimoy Based The Vulcan Salute On A Jewish Hand Signal ... given the month, that watching "Amok Time" would be the most appropriate.
The Vulcan salute first appeared in "Star Trek" in 1967 with the episode "Amok Time," according to Wikipedia.