An introduction to Into Infinity
Discover the 1975 special and its voyage aboard the Altares.
Watch the introduction →Television special · Into Infinity
The Day After Tomorrow
Two families leave Earth aboard the lightship Altares. When an accident sends them beyond their planned route, a scientific voyage becomes a journey into the unknown. Explore the adventure also known as Into Infinity.
- First broadcast in 1975
- The lightship Altares
- A single television special
The Day After Tomorrow
Where to begin
A few rewarding routes into this world. Choose the one that catches your imagination.
Inside the production
Explore the cast, miniature effects and connections with Space: 1999.
Read the guide →Explore the Altares
Meet the photon-powered ship and the families who travel aboard it.
Explore the spacecraft →The Day After Tomorrow
Machines
Choose a machine to discover its role, its story and where it can take you next.
Altares
The experimental lightship carries two families towards Alpha Centauri, then far beyond their intended route. Its photon drive turns the promise of interstellar travel into the central danger of Into Infinity.
- Designer and model maker: Martin Bower
- Commander: Harry Masters
The Day After Tomorrow
Characters
Meet the people at the heart of this world. Open a card and follow their story.
Captain Harry Masters
The Altares captain must manage an extraordinary flight while sharing its risks with his daughter Jane. Nick Tate brings a familiar Anderson presence to a mission built around families rather than a military organisation.
- Played by: Nick Tate
- Daughter: Jane Masters
Jane Masters
Jane travels with her father aboard the Altares, experiencing both the wonder and the danger of the expedition. Her presence helps give the scientific adventure the perspective of a younger generation.
- Played by: Katharine Levy
- Father: Harry Masters
Tom Bowen
Tom joins the expedition as a scientist, travelling with his wife Anna and their son David. The mission tests the family’s ability to understand and survive phenomena far beyond familiar space.
- Played by: Brian Blessed
Anna Bowen
Anna is part of both the scientific expedition and one of the families living aboard the Altares. Her work and relationships help keep the immense scale of the journey connected to the people making it.
- Played by: Joanna Dunham
David Bowen
Tom and Anna’s son shares the voyage with Jane Masters. Through the children, the special makes its questions about distance, time and the future of Earth part of a personal adventure.
- Played by: Martin Lev
The Day After Tomorrow
Places
Explore the headquarters and locations that make this world possible.
Space Station Delta
The Altares begins its journey from this orbital station. Its model connects the special to Space: 1999: the production reused and adapted the Daria spacecraft seen in Mission of the Darians.
- Role: Altares departure point
Watch, listen and discover
A quick introduction
Discover the story, production and distinctive world of The Day After Tomorrow in this official Gerry Anderson introduction.
Watch the introduction →Find services by country, with free and paid options.
Where to watch full episodes →Stories
Go deeper into this world
Fresh perspectives, familiar heroes and adventures beyond the screen.
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Bring the adventure home
Explore the available editions and stories connected with this world.
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The Day After Tomorrow: Into Infinity [Blu-ray]
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The Lost Worlds of Gerry Anderson [2 x DVD Set] (Region 0, PAL release)
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Into Infinity (Book Two): Planetfall Audiobook [DOWNLOAD]
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Into Infinity (Book One): The Day After Tomorrow Audiobook [DOWNLOAD]
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The story of The Day After Tomorrow
Explore the production, the people and the original archive material behind this world.
Into Infinity aboard the Altares
Two families leave Earth aboard an experimental lightship. Their destination is Alpha Centauri, but a journey of scientific discovery becomes a struggle to find a way home when the ship's photon drive carries them far beyond the mission they had planned.
The Day After Tomorrow, also known as Into Infinity, is Gerry Anderson's 1975 television special. Its central craft, the Altares, and its small crew turn ideas about interstellar travel into a personal adventure.
Meet the families
Captain Harry Masters travels with his daughter Jane. Scientists Tom and Anna Bowen are joined by their son David. These are family units sharing an extraordinary experience, rather than a team of secret agents or military specialists.
Nick Tate plays Harry Masters, Brian Blessed plays Tom Bowen and Joanna Dunham plays Anna. Katharine Levy and Martin Lev play Jane and David, while Ed Bishop provides the narration. For Space: 1999 viewers, several voices and faces will be familiar.
Science through adventure
The special was commissioned for NBC's Special Treat strand, with the aim of bringing scientific ideas to a younger audience through an engaging story. Gerry worked with writer Johnny Byrne on an adventure involving relativity, the distances between stars and the hazards of travelling beyond familiar space.
It first aired on NBC on 9 December 1975. Although the ending leaves room for further adventures, it remained a single television special rather than becoming a continuing series.
The connection with Space: 1999
The production was filmed at Pinewood between the two seasons of Space: 1999. Charles Crichton directed, Martin Bower designed and built the Altares, and Derek Wadsworth composed the music. Sets, props and other production elements connect the two worlds behind the scenes.
Those shared makers explain the family resemblance, but Into Infinity has its own purpose and characters. The endangered families aboard the Altares give its space exploration a different emotional focus from life on Moonbase Alpha.
The journey continued on the page
Gregory Norris adapted the special into a novel published by Anderson Entertainment in 2017. A sequel followed in 2019, giving readers a way to continue beyond the television story's open ending. Audio editions bring another way to experience those adventures.
Explore the complete production history of The Day After Tomorrow, or place it alongside other unrealised possibilities in the lost worlds of Gerry Anderson.
Watch the introduction
Follow the creative thread
Your next world awaits
Shared makers, familiar ideas and unexpected connections. Choose your next world.
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