Movies and TvShows featuring "cthulhu" theme.

Mahiro Yasaka is just an ordinary high school student, until one day he is suddenly attacked by a dangerous monster. Just when everything seems to be lost, he is saved by a strange girl named Nyaruko, who claims to be the shape-shifting deity Nyarlathotep from horror author H. P. Lovecraft's Cthulhu Mythos.

Hellboy, a demon rescued from the Nazis, grows up to become a defender against the forces of darkness. When his adoptive father is killed and his friends are captured by a resurrected Rasputin, Hellboy must embrace his true identity and make a choice between good and evil.

With the rising tide of steam power and machinery, who can come close to being a Beyonder? Shrouded in the fog of history and darkness, who or what is the lurking evil that murmurs into our ears? Waking up to be faced with a string of mysteries, Zhou Mingrui finds himself reincarnated as Klein Moretti in an alternate Victorian era world where he sees a world filled with machinery, cannons, dreadnoughts, airships, difference machines, as well as Potions, Divination, Hexes, Tarot Cards, Sealed Artifacts… The Light continues to shine but mystery has never gone far. Follow Klein as he finds himself entangled with the Churches of the world—both orthodox and unorthodox—while he slowly develops newfound powers thanks to the Beyonder potions. Like the corresponding tarot card, The Fool, which is numbered 0—a number of unlimited potential—this is the legend of “The Fool”.

When an earthquake destroys their underwater research facility, a group of researchers must find a way to survive against the deadly creatures lurking in the depths of the ocean.

A series of mysterious incidents throughout the world involving the Cthulhu Cult are being investigated by Francis Wayland Thurston. What Thruston finds will horrify him.

This is an animated movie based on "Mountains of Madness -Summit of Deities-" (Auther: MadaraUsi)," a TTRPG scenario that combines the "Cthulhu Mythos" & Mountain climbing.

A young boy named David discovers he has inherited supernatural powers from his grandmother. As his abilities grow stronger, he realizes that he must use them to save his family from a malevolent spell cast by a witch. With the help of his brother and a group of friends, David battles demons and ancient creatures from a book of magic. Along the way, he must also confront his own fears and doubts. Will David be able to overcome the evil and protect his loved ones?

When a daring mission leads a deep sea submarine team into a mysterious opening on the ocean floor, they uncover a lost underwater world and awaken its ancient race of otherworldly beings.

Takuto Ira succumbed to illness at a young age and ended up reincarnating in a world that resembles the fantasy turn-based strategy game Eternal Nations. Not only did he reincarnate into his favorite game, but as the god who commands the evil civilization Mynoghra. With Mynoghra’s beautiful hero unit, Sludge Witch Atou by his side, not even legendarily difficult race traits will stand in the way of restarting their civilization!

A janitor is mainly used for dirty jobs by the occupants of an apartment building. When the lights fail and he goes down into the basement, he inadvertently witnesses an occult ritual.

Dagon (2001) tells the story of a man who must confront a pagan cult and a sea monster in a small fishing town after his girlfriend goes missing. As he delves deeper into the town's dark secrets, he uncovers a horrifying truth about the residents and their sinister rituals. With its gruesome gore and Lovecraftian themes, Dagon is a nightmarish tale of sacrifice and survival.

In Howard Lovecraft & the Undersea Kingdom, a little boy named Howard goes on a thrilling adventure filled with horror and fantasy. Inspired by the works of H.P. Lovecraft and the Cthulhu Mythos, Howard explores interdimensional realms and encounters strange creatures. Joined by his loyal companions, he must navigate dangerous waters and confront his darkest fears to save the world.

When a yacht carrying a group of friends sinks near an uncharted island, they must fight for their lives against a cannibal cult.

College freshmen Debbie and Marcie are excited to start their new lives at a Pacific Northwest university but after being invited to a Zeta Omega Epsilon party the two suddenly find themselves in the strange and occult world of Role Playing Games. The duo are soon hooked on the highly addictive experience that is RPGing and the game quickly becomes a habit that consumes their lives. After Debbie’s intense pagan training through the RPGs lead her to accept an invitation to join a witches’ coven, her grades begin to plummet and she is in danger of flunking out of college. She calls on darker and deeper magical forces to use a “mind bondage” spell on her professor. Meanwhile, Marcie foolishly reads from the Necronomicon and summons Cthulhu.

In this silent film based on H.P. Lovecraft's story, a professor investigates his great-uncle's mysterious disappearance and finds himself drawn into a cult dedicated to the ancient god Cthulhu.

Cthulhu Mansion is a horror movie about a group of people who are attacked by supernatural forces while staying in a mysterious mansion.

In 'Intersect', a group of scientists at Miskatonic University conducts a dangerous experiment with time travel. However, their actions awaken ancient cosmic horrors, leading to a terrifying chain of events. As the scientists struggle to survive, they must confront monsters, strange portals, and the dark secrets of the universe.

The movie revolves around a series of events involving rapid aging, monsters, Cthulhu, human sacrifice, occult rituals, human skulls, taser guns, caves, gypsies, mannequins, cults, tarot cards, walls of photographs, levitation, the Necronomicon, being locked in a room, H.P. Lovecraft, a kidnapped baby, and murders with an axe.

A young art gallery owner, Tess Reardon, is looking for new talent to spark life into her failing business. Haunted by nightmares, she discovers that an artist she dreamt about, Aubrey Scott, actually exists, and she seeks him out. The eccentric painter agrees to a showing of his art, but only if Tess will model for his new work. She grudgingly agrees and begins to regress into a past life from a parallel world, and that everything is not at all as it seems.

An international research group is searching natural resources from the Arctic Ocean. They pick up a strange underwater sound from far north, and start to follow it to the uncharted waters.