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One of the most memorable episodes from the original Star Trek series, The Lights of Zetar, continues to captivate fans through its intriguing storyline and unique alien encounter. This episode not only introduces the mysterious Zetarians but also highlights a powerful performance by guest star Jan Shutan. As viewers revisit The Lights of Zetar on streaming platforms like Netflix, curiosity surrounding its talented cast and Shutan’s legacy remains strong. From exploring the plot and notable characters to diving into trivia and related episodes like The Savage Curtain, this article delves deep into everything you need to know about this classic adventure aboard the USS Enterprise.
“The Lights of Zetar” is an intriguing episode from the third season of Star Trek: The Original Series. The story centers on the Enterprise encountering a mysterious energy cloud made up of shimmering lights, which turns out to be the last survivors of a destroyed planet called Zetar. These non-corporeal beings attempt to possess Lt. Mira Romaine, a technician on board, to regain physical life. As the cloud affects the crew in different ways—paralyzing some and causing sensory disruptions—the tension builds with Mira experiencing visions and mood swings linked to the Zetars’ influence.
The episode explores themes of alien possession and survival beyond death, with the Enterprise crew racing against time to save Mira. They use a pressure chamber to force the Zetars out of her body, ultimately succeeding. The story also highlights Scotty’s affection for Mira, which plays a role in her recovery. While the episode is notable for its eerie atmosphere and unique concept, some viewers find its execution uneven, especially regarding character dynamics and pacing. Still, it remains a memorable part of Star Trek lore, especially for its connection to Memory Alpha, the iconic galactic library.

“The Lights of Zetar” is a memorable episode from the third season of Star Trek: The Original Series. The story follows the Enterprise as it travels to Memory Alpha, a Federation planetoid housing a vast archive of knowledge. During the mission, the crew encounters a mysterious energy storm that affects their nervous systems and causes strange phenomena. The storm turns out to be the last surviving life force of a long-dead planet called Zetar, consisting of the spirits of its last hundred inhabitants seeking to possess Lieutenant Mira Romaine’s body to survive.
As Mira becomes increasingly affected, the crew races against time to save her. They use a pressure chamber to try to expel the alien presence, and after some tense moments, the Zetars are driven out. The episode explores themes of alien possession and survival, with a mix of suspense and sci-fi mystery. It also highlights Scotty’s affection for Mira, adding a personal touch to the story. While not considered one of the best episodes by some, it remains intriguing for its unique concept and eerie atmosphere.

The cast of Star Trek: The Lights of Zetar features many familiar faces from the original series, with William Shatner as Captain James T. Kirk leading the crew. Leonard Nimoy plays the ever-logical Mr. Spock, and DeForest Kelley appears as Dr. Leonard McCoy. A standout in this episode is Jan Shutan, who portrays Lt. Mira Romaine, a technician delivering equipment to Memory Alpha, the galactic library. Her character is central to the story, as she becomes possessed by the mysterious alien entity known as the Zetarians. James Doohan is also present as Montgomery Scott, affectionately known as Scotty, who shows a personal connection to Lt. Romaine.
Other key crew members include George Takei as Hikaru Sulu, Walter Koenig as Pavel Chekov, Nichelle Nichols as Uhura, and Majel Barrett as Christine Chapel. The episode also features Barbara Babcock lending her voice to the Zetarian entity. Directed by Herbert Kenwith and written by Gene Roddenberry along with Jeremy Tarcher and Shari Lewis, the episode blends sci-fi mystery with emotional depth, especially through Lt. Romaine’s struggle with the alien possession.

If you’re diving into Star Trek: The Lights of Zetar on Netflix, you’re in for a classic sci-fi adventure with a twist of alien possession. The episode follows Lt. Mira Romaine, a young officer on her first deep space mission, who becomes host to mysterious alien entities called the Zetars. These beings, survivors from a long-dead planet, invade her mind and body, creating a tense race against time for Captain Kirk and the crew to save her without harming her. The story unfolds around Memory Alpha, a vast Federation library, adding a unique backdrop to the drama.
What makes this episode stand out is its eerie atmosphere and the emotional stakes, especially with Lt. Cmdr. Scott’s affection for Mira adding a personal touch. The Zetars themselves are intriguing—they’re not just aliens but represent the last remnants of their species, trying to survive through possession. The crew’s solution involves a risky high-pressure chamber treatment that could save Mira but also endanger her life. It’s a gripping mix of suspense, sci-fi mystery, and heartfelt moments that showcase the original series’ charm and depth.

Zetars are mysterious alien beings featured in the Star Trek: The Original Series episode “The Lights of Zetar.” They appear as a strange, glowing storm that attacks the crew’s brains and causes terrifying effects, including possession and physical transformations. The Zetars are actually the last survivors of a dead planet called Zetar, existing as a psychic storm seeking to inhabit a living body to survive. Lieutenant Mira Romaine becomes their target, experiencing visions and eventually being possessed by these alien entities. The Enterprise crew works to save her by using a pressure chamber to force the Zetars out, as they are vulnerable to increased pressure due to their adaptation to a weightless environment. This episode combines suspense with a classic sci-fi theme of alien possession, while also showcasing the crew’s resourcefulness and teamwork. It’s notable for its eerie atmosphere and the emotional stakes involved, especially with Scotty’s concern for Mira adding a personal touch to the story.

Jan Shutan, born Janice Dottenheim on November 5, 1932, in Los Angeles, was an American actress best known for her memorable role as Lieutenant Mira Romaine in Star Trek: The Original Series. Growing up in Beverly Hills, she caught the acting bug early and won her start in 1955 on the CBS variety show Arthur Godfrey’s Talent Scouts. Jan’s career spanned TV shows like The Andy Griffith Show, The Outer Limits, and Room 222, as well as numerous commercials, where she humorously noted promoting everything “from cars to soapsuds,” sometimes earning up to $10,000 per gig. She was also a familiar face in recurring roles and guest appearances throughout the 1960s and 70s. Jan retired from acting in 1988. She was married twice, with her second husband being Emmy-winning writer-producer David Levinson, whom she met on the set of Sons and Daughters. Jan passed away peacefully on October 7, 2021, in Beverly Hills at the age of 88, leaving behind a legacy of diverse and beloved performances.

Jan Shutan, the talented actress best known for her role as Lieutenant Mira Romaine in Star Trek, passed away peacefully on October 7, 2021, just shy of her 89th birthday. Although the exact cause of her death was not publicly disclosed, it is known that she died in Los Angeles, California. Jan had retired from acting in 1988 after a fruitful career that spanned television shows and commercials. She was cherished by fans for her memorable performances and her warm presence on screen.
Jan was married to Emmy Award-winning writer-producer David Levinson, who passed away in 2019, two years before her own death. While details about her final years remain private, the outpouring of respect and fond memories from fans and colleagues highlights the lasting impact she made in the entertainment world. Her legacy lives on through her iconic roles and the affection of those who admired her work.

The cast of the Star Trek episode “The Lights of Zetar,” which is part of the original series, features some of the most iconic actors from the franchise. William Shatner stars as Captain James T. Kirk, leading the crew with his usual charisma. Leonard Nimoy plays the logical and calm Mr. Spock, while DeForest Kelley appears as the compassionate Dr. Leonard McCoy. Jan Shutan guest stars as Lieutenant Mira Romaine, a key character in this episode. The rest of the Enterprise crew includes James Doohan as Montgomery Scott (“Scotty”), George Takei as Hikaru Sulu, Walter Koenig as Pavel Chekov, and Nichelle Nichols as Uhura. Majel Barrett also appears as Nurse Christine Chapel, adding to the familiar ensemble.
This episode centers around the Memory Alpha station, a vital Federation library, and the cast’s performances bring to life the tension and mystery as they face an unusual alien threat. The strong chemistry among the regular cast members, combined with the guest actors, makes this episode memorable for fans of the original Star Trek series.

“The Lights of Zetar” is a memorable episode from Star Trek: The Original Series (Season 3, Episode 18) that blends mystery and suspense with a touch of sci-fi horror. The Enterprise is en route to Memory Alpha, a massive Federation library, when it encounters a strange storm of twinkling lights that paralyze the crew by attacking their nervous systems. This phenomenon turns out to be the life force of the last survivors from the destroyed planet Zetar, seeking to possess a living body to continue their existence.
Lieutenant Mira Romaine, a young officer on her first deep space mission, becomes the target of this alien possession. As the Zetars invade her body, the crew races against time to save her. They use a pressure chamber to increase gravity and pressure, which ultimately forces the alien entities to leave Mira without killing her. The episode is notable for its eerie atmosphere and the emotional tension, especially the concern of Scotty, who has a personal interest in Mira. It’s a gripping story about survival, sacrifice, and the haunting remnants of a lost civilization.

“The Savage Curtain” is a memorable episode from the third season of Star Trek, first aired in 1969. In this story, Captain Kirk and Spock find themselves on a volcanic planet called Excalbia, where advanced aliens force them to team up with figures who look like Abraham Lincoln and Surak, the Vulcan philosopher. Together, they face off against villains like Genghis Khan, Kahless the Klingon, and Colonel Green in a dramatic battle representing good versus evil.
The aliens, called Excalbians, are curious about the nature of good and evil, so they create this deadly contest to observe the differences. Although the fight seems evenly matched, Kirk points out that what truly separates good from evil is not how they fight but why they fight—Kirk and Spock fight to protect their ship and crew, while their opponents fight for power. The episode also introduces important Star Trek lore, like the characters of Kahless and Surak, who appear in later series.
While some fans find the episode a bit goofy or dated, it remains an interesting exploration of morality wrapped in classic sci-fi adventure.

In conclusion, “The Lights of Zetar” remains a thought-provoking episode within the Star Trek universe, exploring themes of memory, identity, and the essence of humanity. Through the chilling narrative of the USS Enterprise’s encounter with the Zetarians, the story not only highlights the vulnerabilities of those afflicted by past traumas but also showcases the resilience of the human spirit. The episode invites viewers to reflect on the importance of connection and the impact of lost memories, reinforcing Star Trek’s enduring message about the power of empathy and understanding in the face of adversity.