Looking for a missing Federation cultural observer, Kirk and Spock find themselves on a planet whose culture is modeled on the Nazi Party.
Enterprise is sent to planet Ekos to investigate a disappearance of Federation historian John Gill.
An accident in a plasma cloud creates a duplicate Voyager after they are attacked by the Vidiians.
A takeover leads Kirk to his old nemesis, Harry Mudd.
Sisko's friend, Commander Cal Hudson, resigns from Starfleet to join the Maquis in their fight against the Cardassians.
When militants take over a world, the Enterprise crew move to evacuate Denobulan geologists that are deep underground.
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