About this showing of Star Trek - The Original Series
The crew discovers a famous scientist on an unknown planetoid - but it remains a mystery how he has managed to achieve eternal youth.
Previously on TV
Star Trek - The Original Series
Previously shown on Legend on Tue 15 Sep 2026 at 17:00.
This showing has ended
This showing was on Legend at 17:00 on Tue 15 Sep 2026. See future airings below or open the main programme page for the latest TV times.
Airing details
ChannelLegend
StartsTue 15 Sep 2026, 17:00
EndsTue 15 Sep 2026, 18:00
Next showing of Star Trek - The Original Series
The next currently listed showing is Thu 17 Sep 2026, 17:00 on CBS Justice.
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