Some Of Chekov's Most Important Star Trek Episodes Season 2, Episode 12 "The Deadly Years" Season 2, Episode 15 "The Trouble with Tribbles" Season 3, Episode 4 "And the Children Shall Lead" Chekov ...

Chekov was reportedly added to Star Trek for a number of reasons ... Star Trek's final episode, "Turnabout Intruder," aired on June 3, 1969, one month before the Apollo 11 mission, which saw ...