Here is what the page “Walter Koenig's Last Star Trek Performance as Chekov Was a Historic Voice-Only Role” contains. Walter Koenig, beloved for playing Pavel Chekov in Star Trek: The Original Series and its films, delivered his final performance as the character in a voice-only role that never showed his face. This historic appearance came in the fan-produced series Star Trek: New Voyages, specifically in the 2015 This historic appearance came in the fan-produced series Star Trek: New Voyages, specifically in the 2015 episode 'Mind-Sifter,' where Koenig voiced an older Chekov from a parallel timeline.
While not an official Paramount production, the episode was significant for featuring Koenig's last portrayal of Chekov, marking the end of an era for the iconic navigator. The performance was notable because Koenig chose to return to the role in a non-canonical, independent production, demonstrating his enduring connection to the character and the franchise's fan community. The full version stays on the original page, which this listing opens directly.