Season 4

Steve Austin becomes a suspect after series of burglaries that can only be accomplished with bionic strength are committed. As Austin begins to have vague memories of his encounter with Bigfoot, he is approached by Gillian, one of the alien travelers. She explains that one of her own, Nedlick, has formed a splinter group intend on world domination and is now using Sasquash to commit robberies in order to gain wealth. The crossover continues on The Bionic Woman S02E01 The Return of Bigfoot (II).

When an Aircraft mysteriously disappears in a test flight, Steve's friend Kelly Wood becomes the prime suspect, since she was the one driving the plane at the time. But for some reason, she has no memory, except remembering seeing a Japanese Zero plane from World War 2. Since no one believes her, Steve knows he must clear his friend's name, before it's too late.

When a nightclub comedian is hit by a car, the x-rays reveal an implant in his head that can control his actions. Oscar sends Steve to find out why and if the Russians are involved.

Steve and Rudy go to check up on scientist, Cheryl Osborne, who was performing research on chimpanzees but who has ceased communications. When they arrive they find something has destroyed the lab, and Rudy is bitten by a rampaging chimpanzee. Rudy begins to turn psychotic and Steve must both stop him and find Osborne before it's too late.

A remarkable new underwater breathing device with bigger implications and powered by nuclear fusion attracts the attention of a dangerous spy network. With an invented identity as a doctor on the project, Steve attempts to outwit the spies by faking the device's capabilities with a little help from his bionic arm.

With Jaime Sommers critically injured, Steve Austin races to Dr. Franklin's secret hideout to find the kidnapped Oscar Goldman. Austin plans to rescue his friend and boss despite Oscar's own orders to kill him lest he spill state secrets. The crossover starts on The Bionic Woman S02E05 Kill Oscar (I). It continues on The Bionic Woman S02E06 Kill Oscar (III).

In special two-hour show of "The Six Million Dollar Man", Andy Shefield has been injured in a landslide that also killed his controversial father. OSI chooses the youth to receive atomic/bionic implants that will restore his paralyzed legs. The result is superhuman strength in those legs. Andy immediately uses this new power to do what he can to restore the good name of his father. Once he gets in over his head, Colonel Steve Austin comes to his aid. **This two-hour episode was broken into two parts for syndication, but the "second part" was not labeled Part II or as an independent episode, creating some ambiguity as to which version was being aired.**

Steve poses as a member of the US team in a sailplane meet to stop terrorists.

Steve's mission is to rescue an Arab prince who's going to be killed by someone who wants to be King. So Steve joins a fighter jet group called the Thunderbirds that perform aerial maneuvers. But when Steve suffers dizziness when he reaches certain altitudes, Rudy says they can treat it but it'll take time. And they need to rescue the prince so Steve tries to stay at low altitudes. **This two-hour episode was broken into two parts for syndication.**

After an accident at a NASA contractor, Steve uses his bionic abilities to convince the gruff, penny-pinching head of the company to change his callous ways.

Steve goes undercover to thwart a plot by disgruntled ex-military men to steal a new missile.

Dr. Wells has a new project that involves the direct (and permanent) transfer of information to the brain of Joe Patton from a computer. However, Joe's girlfriend, Jenny, (another operative) expresses concern for Joe's safety.

When an object tracks across the sky and lands in a remote area in Wyoming, Oscar and Steve arrive on the scene and find that a Russian space probe built to withstand the extreme Venus environment has crash landed on earth and is out of Soviet control. It's up to Steve to try to stop the probe from destroying a nearby town.

With time running out, Steve must do anything he can to disable the Russian space probe in spite of the fact that it is virtually indestructible and has numerous inventive capabilities that it uses as weapons.

A boy experimenting with chemicals accidentally stumbles onto a thermonuclear reaction, creating a dangerous and powerful power source. A corrupt fire chief and some unscrupulous investors are out to discover the formula and it's up to Steve Austin and the boy to stop them.

An experimental process to bring played out oilfields to life is jeopardized by mysterious fires. Steve Austin must discover who is sabotaging the project and why.

Oscar has Steve pose as a boxer to try and figure out what a ring of expatriate athletes intends to steal in Washington.

A scientist covers up his sabotage of a B-1 Bomber experiment.

When a sub is seen off the coast. It appears to be an old German U-Boat from World War II. A message is sent saying that unless their demands are met, they will kill thousands of people. They agree to a meeting and Steve is sent to meet with the person. The person claims that the sub has a cache of nerve gas which when released and depending on the wind will reach a populated area. Oscar decides to send Steve to get into the sub and to try and neutralize the threat. But Steve is captured and is shown the nerve gas. But the Admiral receives information that there is no...

A top neuroscientist is asked to do a bit of moonlighting work by one of his assistants. Eyebrows are raised when the unknown client is willing to pay one million dollars up front. The neuroscientist smells a rat and contacts Oscar Goldman. Oscar devises a plan to send Steve Austin in his place and to ensure the assistant doesn't sound the alarm bells he is drugged and a fake car crash is set up. Steve trains as a neuroscientist - using his bionic powers he learns everything within a day. Reporting for duty Steve is kidnapped and later awakes at a secret location ...

An Indian Chief who is also a trained scientist discovers an ore on the reservation that can be a great source of power. So Oscar sends two men to check it out but they vanish. So he sends Steve to find them. But the tribe's medicine man who is very traditional refuses to grant Steve permission to go there because it's sacred ground. But there's a test which is very grueling, if he passes he can enter. But the medicine man has other plans.

A top secret formula is wiped off it's page and Steve Austin is accused of swiping it. To prove his innocence, Austin seeks out the inventor of the formula and anyone who might benefit from it at such an early stage.