The Enterprise finds a deserted planet where a ship has crashed, and, with it, the lone survivor with no memory, but extraordinary healing powers.



(created by), (as Rene Echevarria)

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Episode cast overview:
Mark La Mura ...
John Doe (as Mark Lamura)
Nurse Temple


Lt. Commander Geordi La Forge is in love but too timid to talk to Christy Henshaw. When a space ship's escape pod is found crashed on an uninhabited planet, he is part of the landing party and has his brain connected by Dr. Crusher to the injured sole traveler, but 'John Doe' makes a massive contact and soon recuperates physically at amazing speed by mysterious cell structure mutations. He has amnesia and by instinctively touching a wounded patient proves able to heal instantly. Geordie and Data examine an unusual memory storage capsule from the pod, which allows estimating his origin, but he refuses to return, and causes his powers to manifest themselves differently. At approach, his home planet Zarkon demands his extradition as escaped criminal, to be executed... Written by KGF Vissers

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Release Date:

2 June 1990 (USA)  »

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Sound Mix:

| (5.1 surround)


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Did You Know?


In what will become a character trademark on both Star Trek: The Next Generation (1987) and Star Trek: Deep Space Nine (1993), Miles O'Brien reports into Sick Bay after injuring his shoulder in a Holodeck kayak simulation. It's not his first accident since Wesley comments "Kayaking again?" See more »


Picard makes the verbal observation of John's cellular mutation before the image on the screen shows the cells mutating. See more »


John Doe: I feel strong enough... to fly.
[yet after only a few steps, his legs give way]
John Doe: Perhaps I should concentrate on walking first.
See more »


References Star Trek: The Next Generation: Booby Trap (1989) See more »


Star Trek: The Next Generation Main Title
Composed by Jerry Goldsmith and Alexander Courage
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User Reviews

Another Lost Soul on Board
19 August 2014 | by (United States) – See all my reviews

A shuttlecraft is brought aboard containing a man who is near death. His vital signs are all over the place. Dr. Crusher makes him her special project and through every trick in the books, she manages to stabilize him. When he has recovered his health, he tells them he has no idea who he is. He knows bits and pieces, one being that there were once more like him but they all perished. Another thing is that he seems to have the gift of healing. He cures O'Brien's dislocated shoulder and when Worf takes a fifteen foot tumble, breaking his back, he touches him and Worf fully recovers. The unfortunate things is that there is a ship with a captain that insists that this guy is a criminal, but when asked what the man did, he won't say. This is one of those kind of transition to a new species shows where the entity is so much more than he appear. Picard is once again faced with needing justification to turn a guest over to a hostile authority. As a matter of fact, these guys are up front in saying that the man will be executed the minute they lay hands on him. Good episode with some spiritual implications.

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