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The Mighty Nein season 1, Episode 5, titled Little Spark, is released on December 3, 2025, exclusively on Prime Video. The show, based on the second Critical Role campaign, follows the adventures of a group of misfits known as the Mighty Nein, who travel across Wildemount, facing challenges and uncovering secrets.
Disclaimer: The following article contains spoilers from The Mighty Nein season 1 episode 5. Reader’s discretion is required.
In this episode, the Mighty Nein encounter the Devil-Toad monster that has possessed Toya, a creature they’ve been seeking. Toya is beyond rescuing once the beast is defeated, therefore they feel loss. This tragedy propels the group to become the Mighty Nein, named by Jester.
The episode concludes dramatically as Volstrucker agent Owelia ambushes the group and reveals Caleb's Empire ties. The episode's conclusion reveals Caleb's dark past as a former agent of the Empire's Volstrucker program.
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The Ambush and Caleb’s dark past revealed The Mighty Nein season 1 episode 5
The climax of the show comes when Owelia, a Volstrucker agent who has been following Caleb for a while, surprises the Mighty Nein. Owelia asks Caleb about his past after recognizing him, which shows that Caleb used to be a part of the Empire's evil Volstrucker program.
This revelation sparks an emotional confrontation, with Beau interrogating Owelia about her connection to the Empire. During this tense moment, Caleb's fear and anger boil over, leading to a violent outburst. As Owelia escapes her bonds, she shatters Caleb's amulet, which can now be used to track him.
Caleb follows Owelia alone in wrath and fear of being found, leading to a horrific confrontation. Caleb traps Owelia and kills her with Volstrucker agent fire magic. In her last moments, Owelia writes to the Empire, calling Caleb “Bren” and disclosing his true identity. Caleb's journey pivots on this terrible act, illustrating how far he will go to safeguard his secrets.
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Flashbacks to Caleb’s traumatic past
As Owelia dies, the episode takes a darker turn, transitioning into a series of flashbacks that explore Caleb’s tragic past. The flashbacks depict his recruitment into the Soltryce Academy by Trent Ikithon, where he was manipulated and trained as a child assassin for the Volstrucker program.
The young Caleb, referred to as "Bren," is shown being brainwashed into believing that his parents were traitors to the Empire. In a horrific moment, Caleb is forced to burn down his own family home, killing his parents and cat in the process. This traumatic event haunts Caleb, shaping his broken and guilt-ridden present.
The flashbacks are a devastating insight into Caleb’s psyche, revealing the horrific nature of his past and the depths of his inner turmoil. The emotional weight of these moments lingers, explaining much of Caleb’s internal struggle and his inability to let go of his past. This backstory sets up future episodes, where Caleb will likely confront these demons more directly.
The Devil-Toad and Toya's fate in The Mighty Nein season 1 episode 5
The episode begins with the Mighty Nein's battle against the terrifying Devil-Toad, which has taken over Toya’s body. The group finds themselves in a race against time to defeat the creature, trapped in a cave. Despite their best efforts, the Devil-Toad proves too powerful, and even after its destruction, Toya's body is beyond saving.
This loss deeply impacts the group, especially Nott and Jester, who feel the emotional weight of the event. The tragedy of Toya's fate highlights the often grim and unpredictable world the Mighty Nein are navigating. While they were able to kill the Devil-Toad, they were unable to save Toya.
Molly’s discovery and the dimensional rift
After the battle with the Devil-Toad, the group gathers, mourning the loss of Toya. But Molly finds something troubling during a quiet moment. He finds a dimensional gap while looking over the area, and it seems to him like he has seen it before. This sight makes her wonder about the nature of the split, but Molly is still not sure what it means.
All the released episodes of The Mighty Nein season 1 are now available to stream on Prime Video.
