More than seven years after the world has become a frozen wasteland, the remnants of humanity inhabit a gigantic, perpetually-moving train that circles the globe as class warfare, social injustice and the politics of survival play out.

Facing the grueling physical and mental tolls of participating in an ultramarathon, a doctor relives his struggles to treat a terminally-ill, 14-year-old patient.

Set in the present, the series offers a bold, subversive take on Archie, Betty, Veronica and their friends, exploring the surreality of small-town life, the darkness and weirdness bubbling beneath Riverdale’s wholesome facade.

When a boy’s video to a female star goes viral, it scores him a date with his celebrity crush to the prom. Complications arise when the famous starlet falls for the boy’s small-town teacher.

When heroes alone are not enough ... the world needs legends. Having seen the future, one he will desperately try to prevent from happening, time-traveling rogue Rip Hunter is tasked with assembling a disparate group of both heroes and villains to confront an unstoppable threat — one in which not only is the planet at stake, but all of time itself. Can this ragtag team defeat an immortal threat unlike anything they have ever known?

After starting her first job at a country club restaurant, Callie’s passions for cooking and ice sculpting are met with romance and Christmas spirit when a childhood friend enters her into the club’s annual Christmas ice sculpting competition without her knowledge.

At the height of her career, investigative journalist Hannah Dunbar finds herself wondering what would have been had she stayed with the love of her life, Ben, 10 years before. When Santa Claus hears her “what ifs?” as a Christmas wish, he transports Hannah to a version of her life where she and Ben started a family.

100 years in the future, when the Earth has been abandoned due to radioactivity, the last surviving humans live on an ark orbiting the planet — but the ark won't last forever. So the repressive regime picks 100 expendable juvenile delinquents to send down to Earth to see if the planet is still habitable.

There is a town in Maine where every story book character you've ever known is trapped between two worlds, victims of a powerful curse. Only one knows the truth and only one can break the spell. Emma Swan is a 28-year-old bail bonds collector who has been supporting herself since she was abandoned as a baby. Things change for her when her son Henry, whom she abandoned years ago, finds her and asks for her help explaining that she is from a different world where she is Snow White's missing daughter.