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“All Our Yesterdays” stands out as one of the most memorable episodes from the third season of Star Trek: The Original Series. This captivating story transports the crew of the USS Enterprise to a dying planet with mysterious time portals, setting the stage for emotional drama and unforgettable performances. Featuring talents like Anna Karen Morrow and Mariette Hartley, the episode delves into themes of sacrifice, love, and the passage of time. In this article, we explore the cast, script details, how to watch the episode today, and its connection to another classic Star Trek story, “The Devil in the Dark.”
“All Our Yesterdays” is a memorable episode from the original Star Trek series that blends time travel with emotional depth. The story takes place on Sarpeidon, a planet whose sun is about to go nova, forcing its inhabitants to escape into their own past through a time portal called the Atavachron. Captain Kirk, Spock, and Dr. McCoy each end up in different eras of Sarpeidon’s history, including an ice age and a 17th-century period resembling Earth’s Cromwellian era.
One of the episode’s highlights is Spock’s rare emotional journey. He falls in love with Zarabeth, a woman exiled to the ice age, which temporarily breaks through his usual Vulcan logic and restraint. Meanwhile, Kirk faces suspicion and imprisonment in the past, accused of witchcraft, adding tension and drama to the story. The episode is also notable for its thoughtful writing by Jean Lisette Aroeste, who captured Spock’s character beautifully and infused the story with a poetic sense of history and loss.
Overall, “All Our Yesterdays” is a compelling mix of sci-fi adventure, romance, and philosophical reflection on time and survival, making it a standout in the final season of Star Trek’s original run.

The cast of the Star Trek episode “All Our Yesterdays” features some of the most iconic actors from the original series. William Shatner stars as Captain James T. Kirk, Leonard Nimoy plays the ever-logical Mr. Spock, and DeForest Kelley appears as Dr. Leonard McCoy. This episode is notable because only these three main crew members appear in person, with James Doohan’s Scotty heard only in voice-over.
Mariette Hartley guest stars as Zarabeth, a key character who brings emotional depth to the story. Ian Wolfe plays Mr. Atoz, the librarian who helps Kirk and McCoy navigate the planet’s dangerous past. Other supporting roles include Kermit Murdock as The Prosecutor and Ed Bakey as The First Fop, adding to the period atmosphere of the episode’s time-travel plot.
Fans often praise the performances, especially Nimoy and Kelley, for their natural and compelling portrayals. Hartley’s role is also remembered fondly for her expressive and authentic presence, which stands out even decades later. This episode is a great showcase of the core cast’s chemistry alongside strong guest performances.

“All Our Yesterdays,” the penultimate episode of Star Trek Season 3, is a fascinating blend of time travel and character exploration. The Enterprise crew visits Sarpeidon, a planet facing destruction as its sun is about to go supernova. They find the planet deserted except for a librarian named Mr. Atoz, who reveals that the inhabitants escaped into their planet’s past through a time portal called the Atavachron. Kirk accidentally travels to a 17th-century-like era, where he faces suspicion and even imprisonment for witchcraft. Meanwhile, Spock and McCoy end up 5,000 years in the planet’s icy past, where Spock encounters Zarabeth, a woman exiled there who awakens his long-suppressed emotions. This episode stands out because it shows a rare, emotional side of Spock, including a romantic tension that contrasts with his usual Vulcan logic. The story builds tension as the crew races against time to return to the present before the star explodes. It’s a mix of adventure, drama, and a touch of romance, making it one of the more memorable and enjoyable episodes of the final season.

The Star Trek episode “All Our Yesterdays” is a fascinating time-travel story from The Original Series that first aired in 1969. It follows Captain Kirk, Spock, and Dr. McCoy as they visit Sarpeidon, a planet whose sun is about to go supernova. They discover the planet’s population has escaped extinction by traveling into their own past through a time portal called the Atavachron. Kirk ends up in a society resembling 17th-century England, where he is mistaken for a witch, while Spock and McCoy find themselves in an ice age, struggling to survive alongside Zarabeth, a woman exiled to that era.
The episode stands out because it explores Spock’s character deeply, showing him vulnerable and even falling in love, which is rare for his usually stoic Vulcan nature. The story cleverly uses the time travel device not just as a plot gimmick but to raise questions about survival, identity, and the consequences of escaping into the past. Although some fans feel the episode could have benefited from more time to develop its rich themes, it remains a memorable and emotionally resonant chapter in the Star Trek saga.

Anna Karen Morrow appeared as a guest star in the Star Trek: The Original Series episode titled “All Our Yesterdays,” which aired in 1969. In this episode, she played the role of a woman living in a primitive 17th-century Earth-like society on the planet Sarpeidon. The story involves Captain Kirk, Spock, and Dr. McCoy becoming trapped in different time periods of Sarpeidon’s past as the planet faces destruction. Morrow’s character is briefly seen in a tense scene where she is being manhandled by local men, highlighting the harsh and dangerous environment of that era. This episode is notable for its exploration of time travel and emotional depth, especially through Spock’s character, who experiences a rare emotional awakening during his time in the past. Morrow’s role, though not large, contributes to the episode’s dramatic tension and historical atmosphere, making “All Our Yesterdays” a memorable installment for fans of the series.

Mariette Hartley is an American actress born on June 21, 1940, in Weston, Connecticut. She began her career as a stage actress in her teens, mentored by the renowned Eva Le Gallienne. Hartley gained recognition in films like Ride the High Country (1962), directed by Sam Peckinpah, and Alfred Hitchcock’s Marnie (1964). She also appeared in popular TV shows such as Peyton Place and Gunsmoke, and became widely known for a series of commercials with James Garner in the 1970s and 1980s.
Beyond her acting career, Hartley has been open about her struggles with bipolar disorder and mental health, which she detailed in her 1990 autobiography Breaking the Silence. She is also a founder of the American Foundation for Suicide Prevention, advocating for mental health awareness. Hartley’s family background is notable—her maternal grandfather was John B. Watson, a famous psychologist who founded behaviorism. Despite personal challenges, she has had a long and varied career in film and television, earning an Emmy Award for her role in The Incredible Hulk and continuing to act over several decades.

The script for All Our Yesterdays, an episode from Star Trek: The Original Series, was written by Jean Lisette Aroeste and directed by Marvin J. Chomsky. It originally aired on March 14, 1969. The story unfolds as the starship Enterprise visits the planet Sarpeidon, whose sun is about to go nova. Kirk, Spock, and McCoy beam down and discover a mysterious device called the Atavachron, which allows people to escape the impending destruction by traveling into different periods of their planet’s past.
The script cleverly splits the characters into separate timelines: Kirk finds himself in a setting resembling 17th-century England, while Spock and McCoy journey to Sarpeidon’s ice age 5,000 years earlier. This creates a fascinating mix of science fiction and historical drama, with Kirk facing suspicion and danger as a supposed witch. The story explores themes of survival, sacrifice, and the consequences of time travel, especially when Kirk learns he cannot return safely because his biology hasn’t been prepared for the temporal shift. The dialogue and plot balance suspense with emotional depth, making All Our Yesterdays a memorable and thought-provoking episode in the Star Trek canon.

If you’re interested in the Star Trek episode “All Our Yesterdays,” you might find it on platforms like Dailymotion, where fans often share classic episodes. This episode is a fascinating mix of time travel and drama, featuring Captain Kirk, Spock, and Dr. McCoy trapped in different periods of a planet’s past as its sun is about to go nova. Kirk ends up in a 17th-century-like setting, while Spock and McCoy find themselves in an ice age era, both struggling to find a way back.
The story is rich with emotional moments, especially Spock’s brief romance with Zarabeth, a woman from the ice age, which adds depth to his usually logical character. The episode stands out for its clever use of a time portal called the Atavachron and its Shakespearean-inspired title, reflecting themes of time and mortality. If you want a nostalgic dive into classic Star Trek storytelling, watching “All Our Yesterdays” on Dailymotion can be a great way to experience this unique and thoughtful episode. Just be sure to check the video quality and legality, as fan uploads vary.

If you’re a fan of Star Trek: The Original Series, the episode “All Our Yesterdays” is a fascinating blend of sci-fi and time travel drama. It’s the penultimate episode of the third season, where Captain Kirk, Spock, and Dr. McCoy visit the planet Sarpeidon, whose sun is about to go nova. They discover the planet’s inhabitants have escaped their doomed future by traveling into different periods of their own past through a device called the Atavachron, a kind of time portal.
Kirk ends up in a 17th-century-like era, facing suspicion and even imprisonment as people think he’s a witch, while Spock and McCoy are sent 5,000 years back to an ice age. The episode explores themes of survival, sacrifice, and the emotional toll of leaving one’s own time behind. There’s also a touching subplot where Spock falls for Zarabeth, a woman trapped in the ice age, adding a rare glimpse of vulnerability to his usually logical character.
What makes this episode stand out is its mix of tense drama, clever use of time travel, and strong character moments, all wrapped in a story that feels both adventurous and poignant. It’s a memorable chapter in the Star Trek saga that fans often appreciate for its depth and creativity.

“The Devil in the Dark” is a classic episode from the first season of Star Trek, originally aired in 1967. It tells the story of the Enterprise crew investigating mysterious deaths at a mining colony on a distant planet. Captain Kirk and Spock discover that the culprit is a strange, rock-like creature called the Horta, which is actually a highly intelligent and misunderstood life form rather than a mindless monster. This episode is famous for its message of tolerance and understanding, emphasizing communication over violence when encountering the unknown. Spock’s mind meld with the Horta is a key moment, revealing the creature’s motives and leading to a peaceful resolution.
The episode also introduced one of Dr. McCoy’s iconic catchphrases, “I’m a doctor, not a bricklayer!” which he says while treating the Horta. William Shatner, who played Kirk, has said this is his favorite episode, partly because it was filmed during a difficult personal time for him. Beyond the story, the Horta costume was designed and performed by Janos Prohaska, adding a memorable visual element to this beloved episode. Overall, “The Devil in the Dark” stands out as a thoughtful blend of sci-fi adventure and a hopeful message about coexistence.

In conclusion, “Star Trek: All Our Yesterdays” serves as a profound exploration of time, memory, and the human experience. By blending science fiction with deep emotional narratives, the episode prompts viewers to reflect on their own choices and the weight of history. It underscores the importance of confronting the past to forge a hopeful future, illustrating how societies can learn from their mistakes. As the crew navigates the complexities of an ancient civilization’s demise, they remind us that understanding and empathy are crucial in healing old wounds. This episode remains a timeless testament to the enduring spirit of exploration and growth.