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There is, in episode one of Torchwood: Miracle Day, a rather unpleasant scene.
An unfortunately burned and generally melted and exploded sort of fellow finds that, along with the rest of humanity, he cannot die.
"Doctors" in blue doctory coats decide to see what happens if they cut the remaining cords of muscle and tissue that attach his burned and blackened body to his burned and blackened head, using a medical version of a pair of bolt cutters.
After a bit of rudimentary clipping, the head rolls aside, and, lo and behold, after a few seconds, the eyes spring open, and the pupils have a good look around.
Suffice to say the latest series of Torchwood is best viewed after the children have been safely wrapped up and placed in bed.
Bedtime for the very young from Thursday, September 1, will be before 9.30pm, if their caregivers want to delve into that show with a title that the clever among us know is an anagram of Doctor Who.
Prime has picked up on the 10-episode fourth series of the slightly more adult-oriented spin-off of the almighty Doctor Who franchise.
Anyone with a lick of sense and a penchant for general knowledge will know that Torchwood is a super-top-secret alien-hunting organisation, and the show follows the adventures of the Cardiff, Wales branch of the Torchwood Institute, which deals with extraterrestrial matters, issues and themes.
The Cardiff crew is headed by the swashbuckling, bisexual immortal former conman and time traveller from the 51st century, Captain Jack Harkness (John Barrowman).
As I understand it, Cap'n Jack is the only bisexual immortal former conman and time traveller from the 51st century on television at the moment, and is generally regarded as a role model for young gay and bisexual people in the United Kingdom.
And why not?
Miracle Day is an extension of the Torchwood brand, a higher-budget British-American co-production filmed in both Los Angeles and Wales.
It begins with the unspeakably evil child-rapist and murderer Oswald Danes (Bill Pulman) finding that, despite his execution being carried out, he does not die.
Nor does anyone else, following an international and extremely mysterious end to the death of humans.
It is not long before we see the return of Cap'n Jack, and the very attractive Gwen Cooper (Eve Myles), who has been trying to hide from the world of alien hunting in a picturesque and remote Welsh seaside cottage, back to save the world.
Miracle Day is disturbing, action packed and only slightly silly.
It is cool, in a Doctor Who sort of way, and if you don't get it you are fairly certainly not hip at all.
Don't fall into that trap.