List of Helion episodes

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Episodes

Season 1 (202?)

No. overall	No. in season	Title	Directed by	Written by	Original air date
1	1	"Shadowbirth"	Lena Corvin	Marcus Vane	October 15, 2025 (2025-10-15)
In the crumbling outskirts of Ravencourt City, rumors circulate of a masked vigilante who immolates crime scenes to erase traces of corruption. When a police raid ends in carnage—bodycams capturing only a blurred superhuman silhouette before going dark—Detective Rei Donovan, a battle-hardened veteran of the city’s failed “Meta Initiative,” is assigned to investigate. Her search leads to fragments of Project Helion, a discontinued experiment to weaponize solar energy through human hosts, and evidence of a lone surviving subject: Cassian Vale, a missing combat medic. Flashbacks reveal Cassian’s transformation during a desert conflict, where exposure to an irradiated solar reactor fused his body with nanites, granting him the ability to channel heat and light into catastrophic bursts of energy that consume him with every use. Tracking him to an abandoned power plant, Rei uncovers his mission to eliminate the architects of Helion—among them her former commanding officer. Their clash triggers Cassian’s power to spiral out of control, engulfing the facility in a plasma inferno. Rei escapes with a data drive revealing that Helion was not a weapon but a global failsafe meant to stabilize collapsing power grids. As Ravencourt’s lights extinguish and a blinding pulse rises from the ruins, Cassian’s voice echoes through the static: “The sun chose wrong.”
2	2	"Solar Requiem"	Lena Corvin	Marcus Vane	October 22, 2025 (2025-10-22)
Forty-eight hours after the Ravencourt blackout, the city descends into chaos as hospitals collapse, prisons erupt in riots, and the skyline flickers with radiation from the Helion blast. Detective Rei Donovan, her bodycam footage of Cassian Vale’s inhuman energy surge now public, faces suspension and interrogation by Internal Affairs amid a storm of online hysteria surrounding “The Burning Man.” Meanwhile, Cassian, hiding in the city’s irradiated outskirts, endures a slow metamorphosis—his veins glowing like molten circuitry as disembodied voices whisper through radio static, remnants of the Helion network embedded in his mind. When Dr. Evelyn Korr, a surviving Helion scientist, transmits a cryptic signal promising to “stabilize the core,” Cassian traces her to the ruined heights of Astra Tower, where she has been experimenting on vagrants to recreate his condition. Korr reveals her intent to reforge Helion as a controllable weapon rather than a sentient system, sparking a catastrophic battle that tears through the tower. As she injects herself with an unstable derivative and mutates into a radiant skeletal entity radiating lethal gamma-light, Cassian channels his remaining energy to hurl her from the shattered structure, her body igniting as ultraviolet fire consumes the skyline. In the aftermath, Rei deciphers hidden data within Cassian’s drive and learns Helion’s true purpose: not as a power source, but as a global failsafe designed to override and command every nuclear arsenal on Earth. The episode ends with Rei watching Ravencourt burn as a satellite above reorients its solar panels toward the city, a single message flashing across NASA’s telemetry feed—“Helion Protocol — Stage II Engaged.”