While we wait for more Trek we are continuing our Time Travel Retrospective Series. Join us as we talk about all of the Star Trek episodes that deal with characters moving in time. This week we continue with the TAS episode "Yesteryear"! Written by: D.C. Fontana Directed by: Hal Sutherland Original Airdate: September 15, 1973 After finding himself erased from recent history, Spock must travel back in time to save himself as a youth.