Best movies like Demon with the Atomic Brain

Richard Greico leads a team of electrical workers who stumble across a terrifying parallel universe. While investigating a strange power source in an abandoned building, the workers find themselves sucked into an underworld teeming with massive, man-eating, spider-like monsters. The bloodthirsty arachnid-human hybrids stalk and kill their victims one by one, leaving the dwindling group of survivors to fight back with just their wits and a handful of primitive weapons.

Yosemite Sam hunts Bugs Bunny.

Alice Kingsleigh returns to Underland and faces a new adventure in saving the Mad Hatter.

Straight from the creators of the groundbreaking Matrix trilogy, this collection of short animated films from the world's leading anime directors fuses computer graphics and Japanese anime to provide the background of the Matrix universe and the conflict between man and machines. The shorts include Final Flight of the Osiris, The Second Renaissance, Kid's Story, Program, World Record, Beyond, A Detective Story and Matriculated.

When brilliant video game maker Flynn hacks the mainframe of his ex-employer, he is beamed inside an astonishing digital world...and becomes part of the very game he is designing. In his mission through cyberspace, Flynn matches wits with a maniacal Master Control Program and teams up with Tron, a security measure created to bring balance to the digital environment.

Lovable Sulley and his wisecracking sidekick Mike Wazowski are the top scare team at Monsters, Inc., the scream-processing factory in Monstropolis. When a little girl named Boo wanders into their world, it's the monsters who are scared silly, and it's up to Sulley and Mike to keep her out of sight and get her back home.

After their first adventure with the "Hot Tub Time Machine," Lou and Nick are living very well off their ill-gotten gains, while Jacob still cannot rely on Lou to be a positive role model. When an unknown assailant breaks into Lou's mansion and shoots him, Nick and Jacob take him for another trip in the hot tub. They emerge in the year 2025, where they must figure out who shot Lou and prevent it from happening again.

A young girl discovers an idealized parallel universe behind a secret door in her new home, unaware that it contains a sinister secret.

When his attempt to save his family inadvertently alters the future, Barry Allen becomes trapped in a reality in which General Zod has returned and there are no Super Heroes to turn to. In order to save the world that he is in and return to the future that he knows, Barry's only hope is to race for his life. But will making the ultimate sacrifice be enough to reset the universe?

Doctor Strange, with the help of mystical allies both old and new, traverses the mind-bending and dangerous alternate realities of the Multiverse to confront a mysterious new adversary.

After his career is destroyed, a brilliant but arrogant surgeon gets a new lease on life when a sorcerer takes him under her wing and trains him to defend the world against evil.

A group of friends stumble upon a mirror that serves as a portal to a "multiverse", but soon discover that importing knowledge from the other side in order to better their lives brings increasingly dangerous consequences.

When Lois Lane is killed, an unhinged Superman decides to take control of the Earth. Determined to stop him, Batman creates a team of freedom-fighting heroes. But when superheroes go to war, can the world survive?

When a new threat capable of destroying the entire planet emerges, Optimus Prime and the Autobots must team up with a powerful faction known as the Maximals. With the fate of humanity hanging in the balance, humans Noah and Elena will do whatever it takes to help the Transformers as they engage in the ultimate battle to save Earth.

Three people are transported into a parallel universe. There they find that they must use modern technology, but medieval weapons, in order to save the citizenry from a murderous warlord.

Jesse has returned to this old family mansion after his parents were murdered when he was a baby. While going through old things in the basement, Jesse finds a picture of his great-great grandfather in front of a Mayan temple holding a crystal skull with jewels in the eyes. In the background is a man Jesse learns is Slim Razor, a former partner of his great-great grandfather turned bitter enemy after a disagreement over who would get to keep the skull.

A daring physicist travels into the past to stop a mysterious woman from stealing his invention. But once there, he uncovers a surprising truth about the machine, the woman, and his own fractured reality.

Turtles Forever is a made-for-tv animated movie. Produced in celebration of the 25th anniversary of the Teenage Mutant Ninja Turtles franchise, the movie teams up different incarnations of the titular heroes—chiefly the light-hearted, child-friendly characters from the 1987 animated series and the darker cast of the 4Kids' own 2003 animated series—in an adventure that spans multiple universes.

Four low-ranking astronauts are stuck together on an orbital Sanitation Station after they bring a mysterious device aboard their ship and all life on Earth disappears. Little do they know they are about to come under attack by a mutating rubber duck named Gary, who wants to open a portal to his evil dimension and take over the Universe.

An island blows up, and from its remains a black poison fills the ocean. A team of underwater specialists with high-tech gear have to stop the poison before it contaminates the earth, but things get increasingly bizarre the more they investigate.

A man who is still mourning the death of the woman he loves, meets a man who says he created a machine that can bring anyone to a parallel world. He goes and sees the woman he loves is still alive in that world and wants to stay. But when he discovers that this world has rules that differ from his world, he wants to leave but when he goes back to where the machine is, there's a fire and the machine is destroyed and the man who built it is killed. He later meets a woman from his world who also built a machine of her own but the officials there upon seeing her thinks she's crazy because her counterpart is alive and says she doesn't know her. So he tries to help her so that they can return home.

The most dangerous criminals in the universe escape from the Off-World Penitentiary and stow away to the quiet Moonbase Waste Disposal Plant. Hidden beneath the lunar surface lies an arsenal of nuclear warheads- the inmates' passport home to earth. Moonbase Commander John Russell launches a desperate fight to save his crew from a force capable of laying waste to an entire planet.

An underground MMA fighter must confront his sister and his past in an adventure through parallel universes

The story follows Sunset Shimmer, who (using her powers) finds out that her friends' memories of her have been mysteriously erased, resulting in them getting amnesia. Determined to set things straight, she'll need Princess Twilight's help from Equestria in order to find out the source of what caused her friends' memory loss.

Simon Aubert runs his entire life on lies. An executive at an aviation company, he lies about everything… Simon’s self-serving lies are so abundant that the universe (governed by a handful of Buddhist monks, it seems) decides to right a wrong by teaching him a lesson and making all of the lies reality on the eve of his company’s crucial meeting with a Russian businessman that Simon absolutely needs to impress in order to prevent the closure of the small-town plant where his twin brother Phil works.

Documentary revealing just how dangerous too much fat is to our most vital internal organs. The programme follows a specialist pathology team as they conduct a post-mortem on the body of a 17-stone woman whose body was donated to medical science. Their findings, as they dissect the body and its organs, are startling, exposing the devastating impact of obesity with stunning visuals and fascinating medical facts. Morbid obesity reduces life expectancy by an average of nine years and is blamed for over 30,000 deaths in the UK every year. With 65 per cent of people already overweight or obese, this extraordinary film is a powerful contribution to the debate about fat, food, lifestyle and how the health service will cope with the growing obesity crisis.

For thirty years, NASA's Hubble Space Telescope has discovered new alien worlds, black holes, and the age of the universe itself; NASA astronauts reveal the secret history of the life-or-death missions to keep this complex machine working.

A team of international scientists attempt to document the first-ever image of a black hole.

Professional photographer Jamie's quantum physicist boyfriend Isaac has gone missing, and is presumed dead. Haunted by his disappearance while attempting to continue with life as normal, Jamie gets more and more wrapped up in figuring out exactly what happened, and is convinced that his disappearance has something to do with Isaac’s research into parallel dimensions. She continues to pursue him until she collides with a shattering revelation.

The story of the forbidden relationship between a 'low born' boy and a 'high born' girl in an alternate reality where every person's relationships and life worth are determined by their innate 'frequencies'.

A documentarian named Annie has roped her husband into a project that involves setting up cameras throughout their house. Complications arise when the cameras start showing that same couple in an alternate universe.

A surreal sci-fi romance wherein a beautiful young woman and strange metaphysical forces threaten the reality of a reclusive video arcade technician, resulting in bizarre biomechanical mutations and a shocking self-realization.

At the end of mankind's greatest battle, empires will crumble, alliances will form, enemies will rise and heroes will fall. World's will end, and a new journey will begin.

When an ambitious ghost hunter performs a risky ritual, opening a portal to "the other side", he and his team quickly find themselves way in over their heads in a fight for survival against an ancient demonic force.

The Flash finds himself in a war-torn alternate timeline and teams up with alternate versions of his fellow heroes to restore the timeline.