6 ’70s TV Shows You Forgot Had Wildly Shocking Plot Twists

1. The Six Million Dollar Man – A Superhuman Betrayal

Everett Collection

When The Six Million Dollar Man first hit TV screens in the ’70s, audiences were enthralled by the bionic abilities of Steve Austin. But one shocking twist took viewers completely by surprise in the episode “The Bionic Woman.” The episode revealed that Austin’s love interest, Jaime Sommers, wasn’t just another romantic subplot—she was also given bionic implants, only to tragically lose them due to an accident. In a jaw-dropping twist, she’s then turned against him when the bionic enhancements are reactivated by an outside force. The emotional fallout between the two characters felt real, and the complexity of the twist made viewers rethink what they thought they knew about both characters.

This episode marked a turning point in the series, making Jaime’s eventual return in her own spin-off show all the more dramatic. It showed that even the strongest relationships could be turned upside down by fate, and gave audiences a wild ride as they watched bionic humans struggle with their own limitations.

2. The Partridge Family – Keith’s Identity Crisis

Everett Collection

The Partridge Family was known for its lighthearted, family-friendly antics, but there was one episode that made fans sit up and question the characters. In the season two episode “Did You Ever Have to Make Up Your Mind?” Keith Partridge, played by David Cassidy, found himself at a crossroads when he had to choose between two career opportunities. But what followed was an unexpected, almost shocking twist where Keith’s decision wasn’t about just picking a job. He grappled with the identity crisis of fame itself, and in the end, he briefly disappears from the family’s life, leaving a void that no one saw coming. The twist felt like a dark turn for a typically optimistic show.

Keith’s dilemma reflected a deeper, more complex message about fame and individual identity. The storyline was both a reflection of Cassidy’s own struggle with being typecast and an interesting commentary on how fame can affect even the most seemingly carefree individuals.

3. M*A*S*H – A Life-and-Death Gamble

Everett Collection

While M*A*S*H is famous for its blend of humor and heartbreaking drama, the show’s shocking plot twists were always a staple. One of the most memorable came in the episode “The General’s Director,” where a patient’s life hung in the balance as a sudden decision had to be made. A general’s son is in critical condition, and the twist comes when it’s revealed that the entire situation has been manipulated. Not only was the life-or-death situation tense, but the twist showed how military hierarchy and personal relationships could often clash with medical ethics.

The emotional weight of the twist sent a shockwave through the characters, especially Hawkeye, who had to make the ultimate decision in a highly charged moment. The complexity of the plot showcased M*A*S*H‘s ability to tackle serious topics in a way that both shocked and moved viewers.

4. The Rockford Files – A Hidden Family Secret

Everett Collection

In the crime drama The Rockford Files, Jim Rockford was known for getting caught up in dangerous situations, but one of the most shocking plot twists came when Rockford’s father, Joseph, was revealed to have a mysterious past. In the episode “The Family Hour,” it is uncovered that Joseph Rockford had been part of a shady operation in his earlier days. This revelation threw a wrench into Jim’s understanding of his father and their relationship, leading to a lot of distrust and tension between the two. The twist didn’t just change Jim’s life—it forced viewers to reconsider everything they thought they knew about the characters.

What made this twist so shocking was that it not only questioned Jim’s entire upbringing but also revealed that Jim’s father had been hiding much more than his son realized. The twist added an element of betrayal and secrecy that viewers didn’t expect from a show that typically followed Rockford as the wise-cracking, underdog detective.

5. Dallas – Who Shot J.R.?

Douglas W. Dubler/TV Guide/©CBS/Everett Collection

Arguably one of the most iconic plot twists of all time came from Dallas in the infamous “Who Shot J.R.?” storyline. The series had always been full of drama, but nothing prepared fans for the stunning revelation that J.R. Ewing, the ruthless oil tycoon, had been shot by an unknown assailant. For months, the question lingered: who was the shooter? The twist left fans on the edge of their seats, and the reveal sparked an entire season’s worth of speculation, theories, and shock. The impact was so profound that it even dominated the headlines in real life.

The twist wasn’t just about the identity of the shooter—it also turned J.R.’s world upside down, forcing him to confront the consequences of his own actions. It was one of those moments that redefined the series and left fans forever associating Dallas with a cliffhanger that has gone down in TV history.

6. The Twilight Zone – The Alien Invasion That Wasn’t

Everett Collection

In the ’70s revival of The Twilight Zone, one episode stood out for its shocking twist: “The Encounter.” The plot revolved around a World War II veteran and a Japanese-American man who are stuck in a room together. The tense atmosphere builds as they uncover their shared history, only for the twist to unfold: the veteran realizes that he has been tricked by his own guilt, and that the man he thought was an enemy soldier is actually a manifestation of his own memories. The twist was eerie, psychologically intense, and went far beyond typical science fiction fare.

This plot turned the concept of alien invasions on its head, using psychological twists rather than physical ones. It was a chilling reminder that our own memories and guilt could sometimes be the most dangerous forces of all. The twist caught viewers off guard, leaving them questioning the nature of reality itself.

Scroll to Top