How long does it take to watch Star Trek: The Original Series?

The Original Series is only 79 episodes — three seasons, cancelled — and takes about 67 hours to watch. Its cultural footprint is wildly out of proportion to that runtime; almost everything people associate with Star Trek was established in less time than it takes to watch Friends. 1960s network hours carried less advertising than modern ones, so episodes run around 51 minutes rather than the 43 a network hour gives today. The Animated Series adds a further 22 episodes at about 25 minutes.

The numbers

Total

2 days 19 hours

In hours

67.2 hours

Non-stop

2.8 days without sleeping

Covers

79 episodes across 3 seasons

At a realistic pace

an episode a night

That works out as

about 79 days

What this assumes

79 episodes at about 51 minutes. A 1960s US network hour carried less advertising than a modern one, so the programme length is longer.

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