Despite franchise fatigue, older Star Trek shows have a high degree of original plots. Minimal reuse of Recycled Plots.

Despite franchise fatigue, older Star Trek shows have a high degree of original plots.

There is a minimal reuse of Recycled Plots - the Recycled Plot Trope.

The eras of Roddenberry Trek and Berman Trek produced 703 episodes in live action series: TOS, TNG, DS9, VOY, and ENT.

Of these 703 episodes, up to 643 episodes are original plot episodes. That's 91%.

Of these 703 episodes, a minimum of 60 episodes are recycled plot episodes. That's 9%.

Of the 60 recycled plot episodes, 24 are better than the original ones.

TOS has 3 recycled plot episodes out of 79, 3.8% of its episode total.

TNG has 13 recycled plot episodes out of 176, 7.4% of its episode total.

DS9 has 5 recycled plot episodes out of 176, 2.8% of its episode total.

VOY has at least 25 recycled plot episodes / copycats out of 172, at least 14.5% of its episode total.

ENT has at least 14 recycled plot episodes / copycats out of 98, at least 14.3% of its episode total.