Star Trek The Animated Series. Premiered in 1973 and ran until 1975. It featured all the original actors' voices.
Star Trek TAS Crew
Animated Star Trek
Creating the Filmation Generation – Andy Mangels (Co-Author) Interview | TrekCore Blog
Star Trek Animated Series Plus Other Animation
A Captain is only as good as his Crew.
Star Trek - animated series
Star Trek The Animated Series (1973 - 1974).
Looks like we have a sass off! Spock’s winning. (5/21/2013) Yes, I remember the Tribbles from Star Trek. (CTS)
Yes, but I want to see EACH of these for EVERY generation. Can you imagine the beauty of a William Shatner nonverbal episode? Or a Picard/Riker cook-off? Or Sisko in a musical?
Star Trek TOS
star trek images original series | TOS - Star Trek: The Original Series Photo (30838374) - Fanpop ...
Science & Fiction
Star Trek: The Animated Series
How to be a Best Friend: by Leonard McCoy <--Pinning because both the gif and that description made me smile. :)