Season 5
21 episodes · Sep 11, 1977
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S5E1Sharks (1)
Sep 11, 197750mSteve is captured while investigating the unusual power failure of a nuclear submarine.
S5E2Sharks (2)
Sep 18, 197750mA nuclear submarine is commandeered for the purpose of piracy and extortion. Steve investigates and is captured. To escape he must eluded trained sharks.
S5E3Deadly Countdown (1)
Sep 25, 197750mSteve is on a mission involving a test satellite. But Steve becomes a target when the satellite is needed to gain control of a missile to be sold to a foreign power.
S5E4Deadly Countdown (2)
Oct 2, 197750mThe daughter of Steve's friend, David McGrath, is kidnapped in order to force David to kill Steve. When the attempt on Steve fails, David confesses to Steve who then must rescue her.
S5E5Bigfoot V
Oct 9, 197750mSteve thought Bigfoot had returned to space. But when Bigfoot is seen and photographed by an anthropologist, Steve travels to her camp to investigate.
S5E6Killer Wind
Oct 16, 197749mTwo locals join Steve when he attempts to rescue a group of students in a stalled cable car halfway up a mountain. They must rescue the students before a tornado gets to them, but one of the men is a criminal and the plan is put in jeopardy.
S5E7Rollback
Oct 30, 197750mSteve goes undercover, joining a roller derby team whose owner plans to acquire and sell top-secret information. When the owner discovers the ruse, he plants evidence to lead Steve in the wrong direction, and uses the distraction to go get the information.
S5E8Dark Side of the Moon (1)
Nov 6, 197750mSteve is sent to the moon to investigate an orbital shift which is causing major upheavals in the Earth's climate. It turns out the upheavals are caused by a deranged scientist working at an exploration post on a nearby asteroid.
S5E9Dark Side of the Moon (2)
Nov 13, 197750mSteve is captured on the moon and is forced to help the scientist, who believes he's found a new energy source, and who threatens nuclear devastation on Earth if Steve refuses.
S5E10Target: Steve Austin
Nov 27, 197750mSteve poses as a newlywed with another OSI agent to uncover who broke into headquarters in search of an atomic bomb. Travelling via RV, their prey discovers the RV has a nuclear power source of its own and attempts to turn the tables.
S5E11The Cheshire Project
Dec 18, 197750mSteve investigates his girlfriend's disappearance while she was piloting a new plane with anti-radar technology. He discovers one of the plane's technicians has been talking to a known trader of military secrets and starts the search for further clues.
S5E12Walk a Deadly Wing
Jan 1, 197849mSteve is assigned to gain the confidence of a scientist who has developed a weapon to capture soldiers non-violently, but refuses to hand over the plans to anyone for fear it could cause drastic results if used on a pilot in flight. As Steve begins to become his friend and acquire the weapon, the Russians inform the scientist they are holding his wife hostage and demand the device in trade for her safe return.
S5E13Just a Matter of Time
Jan 8, 197850mSteve enters a time warp while on an orbital mission, hurling him six years into the future. Upon landing, the authorities arrest him for treason, believing he defected to Russia and was brainwashed into thinking the time warp occurred. Steve has to both prove his innocence and figure out how to get back to his own time.
S5E14Return of Death Probe (1)
Jan 22, 197850mA new, deadlier Venus probe is tested in a desolate area as a demonstration for Steve and Oscar, but a threat to Oscar to either hand over nuclear weaponry or see the probe set loose on the public forces Steve to find a way to stop the probe, even though it outmatches him in many ways.
S5E15Return of Death Probe (2)
Jan 29, 197850mWhen all physical assaults fail against the new Venus probe, Steve succeeds in tricking it into falling into a pit. However, when it starts drilling towards a city, Steve has a bigger problem than before.
S5E16The Lost Island
Jan 30, 197898mWhile searching for a fallen satellite in the Pacific, Steve rescues a drowning victim who turns out to be an alien. She offers to help him acquire the satellite, which has landed on her race's invisible island. However, many of the island's populace in fear of a revolution, yet are unable to leave due to a lack of an immune system to Earth illnesses. Steve must get an experimental serum for her before she will help him.
S5E17The Madonna Caper
Feb 6, 197850mWhile Steve helps a countess retrieve a microdot with important information hidden on a painting in a museum, she helps herself to a masterpiece and replaces it with a forgery. Oscar sends Steve to retrieve the painting from its buyer before a visiting art expert causes embarrassment by discovering the counterfeit currently on display.
S5E18Dead Ringer
Feb 13, 197849mSteve's brush with death is followed by visions that may be the work of a spirit.
S5E19Date with Danger (1)
Feb 20, 197849mWhen OSI's communications chief is accused of spying, Steve attempts to prove his innocence and discovers tampered computer memory. He is led to suspect a computer dating service is behind the ilegal activity, but doesn't realize a computer itself has gained sentience and plans to stop Steve any way it can.
S5E20Date with Danger (2)
Feb 27, 197850mSteve teams with the owner of the computer dating service to put a stop to her now-sentient computer. After escaping a computer-arranged assassination, Steve finds himself in a mental facility after his medical records are altered. While the computer attempts to have everyone who knows about it killed, Steve must find a way to escape and stop the computer before it's too late.
S5E21The Moving Mountain
Mar 6, 197849mA terrorist steals a Russian rocket launcher and American missilse and plans to hold both countries hostage. Steve is sent along with a beautiful Russian agent to stop the terrorist, but his opposite number has orders to dispose of him and bring back the missiles to her superiors.