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12 Episodes 1976 - 1976
Episode 0
Mon, May 10, 1976100 mins
Sam Casey is a former government agent who works for a private security company. When he's caught in an underwater radiation explosion. His DNA is altered so he can turn invisible 15 minutes per day... and he has to wear a stabilizer unit on his wrist or he'll die.

Episode 1
Thu, Sep 23, 197660 mins
Sam drives a truck secretly transporting a new fuel additive and the scientist who created it. He's unaware that the additive has turned explosive and the scientist has made a deal with a fuel cartel to blow up the truck... and Sam with it.

Episode 2
Thu, Sep 30, 197660 mins
A disgruntled ex-employee of Intersect has built the ultimate robot, one capable of leveling a building with a single blast from one of its laser gun arm, and if the government doesn't give into his million dollar demands he will proceed to unleash destruction on various buildings.

Episode 3
Thu, Oct 7, 197660 mins
A man is surgically altered to look like Sam. And when the real Sam goes on vacation, they try to have him killed. But Sam escapes. The impostor is then sent to Intersect and while there, he photographs some sensitive material and gives it to his superiors. But Sam calls and Leonard knows, the man with him is not Sam so they capture him. When Sam returns, they learn what he did, so Sam decides to replace him and go get what he photographed.
Episode 4
Thu, Oct 14, 197660 mins
When a scientist who's working on an important project dies suddenly, and the man didn't keep anything written down so there might not be a way to salvage his project. But Driscoll learns there might be a way; one of his students who worked as his assistant, supposedly has a photographic memory., so Driscoll wants Sam to talk to her and see if she remembers anything and if necessary, they'll use drugs and hypnosis, whatever it takes. Sam goes to the university where she is presently training for a swimming meet in Dallas. Sam talks to her and she says the meet is all that's on her mind. Sam discovers some men following her and thinking that they're after her for the same thing so he decides to follow her and she gets on a train.

Episode 5
Thu, Oct 28, 197660 mins
Sam wakes up in a motel with no idea how he got there. He then goes in and when Leonard sees him, he pulls a gun on him and tells him that he thinks Sam killed another agent, whom Leonard fired. Sam doesn't believe he did what Leonard says he did. He goes on the run. He meets a woman who helps him. Later they go to Abby who after talking to Leonard says that he sent the agent on an undercover assignment and that he has a video that shows that Sam killed the agent. Abby gives him a copy and when he sees it he says that the man was alive when he left and the tape was altered. So he sets out to find the actual tape.

Episode 6
60 mins
Sam is sent through the Iron Curtain to rescue a British scientist, Valerie Dawson, who defected to the East. Now she wants to come back to the West, but her daughter Nina has other ideas, and has fallen in love with a Russian colonel pretending to be her archery teacher.

Episode 7
60 mins
While Sam is running surveillance on a racetrack for Driscoll to get the goods on a diabolical nuclear scientist, Robert Denby, he meets an old friend--"Buffalo Bill" Joe Hickens. Buffalo Bill gets Sam a job as a driver for a car that Denby has sabotaged.

Episode 8
Thu, Nov 11, 197660 mins
Sam and Abby infiltrate a cruise ship where the owner, an oil tycoon, is being forced by the crooked captain to sign over all of her oil tankers to enemy foreign powers. The duo must save the owner and stop the captain before Sam's time runs out.
Episode 9
Wed, Mar 3, 197660 mins
A crooked promoter and his thugs kidnap a boxing champion's father to get the champ to throw his next match for charity, so the promoter can make a bundle. Sam invisibly gets involved to rescue the father and lend a hand to help the champ, Arch Kingston, win the match.
Episode 10
60 mins
Sam must take a former president, Jamada, to his country's capital to resume his seat the president. The two men must avoid capture from mercenaries on their trail, and Jamada learns from his countrymen how they suffered under his previous leadership.

Episode 11
60 mins
When Intersect suspects a LAPD cop is working with assassins targeting a foreign dissident, they secretly assign Sam to the cop as his new partner. Sam poses as a rookie cop fresh from the police academy, and must deal with both police business and thwart the assassination attempt while maintaining his cover.