Menu Icon
Tubi logo
Browse
Arrowhead Down Icon
Browse
Close Icon
Popular
Adventure Has No Limits
Creatorverse
Driven By Fun
Fear Not, Gordon Has Arrived
Featured
Holiday Hits
Leaving Soon
Most Liked
Most Popular
Most Popular Horror
New Releases
Recently Added
Recommended
Recommended TV
Staff Picks
Star Picks: Noah Beck & Siena Agudong
Top Searched
Trending Now
Tubi Originals
Tubi x Kickstarter: FilmStream Collective
Genres
Action
Adult Animation
Anime
Arthouse Films
Based on True Events
Classic TV & Movies
Comedy
Crime TV
Documentaries
Docuseries
Drama
Edgy Comedy
Family Series
Family Watch Party
Film Noir
Foreign Films
Foreign TV
Have a Little Faith
Heist Films
Home & Garden
Horror
Indie Movies
Italian Horror & Giallo
Killer Thrillers
LGBTQ+ Storytelling
Lifestyle
Martial Arts
Music & Concerts
Mystery
Myths & Legends
Real Talk
Reality TV
Romance
Sci-fi & Fantasy
Slashers
Spanish Language
Sports Stories
Spy Movies
Stand Up Comedy
Sword & Sorcery
Thrillers
Travel
True Crime
TV Comedies
TV Dramas
Westerns
Collections
Actors Turned Directors
Animated Wonderlands
Audio Description
Award Winners & Nominees
Awards Season All-Stars
Based on a Book
Black Holiday Joy
Black Love, No Filter
Black Storytelling
Black Storytelling By Tubi
Blame the Mistletoe
Bollywood Dreams
British Crime TV
Bundle Up & Binge
Campus Couples
Cancelled Too Soon
Christopher Nolan Essentials
Cinema Speculation
Cozy Crafting
Cult Classics
Dreamers & Underdogs
Empires & Underbellies
Epic Sagas
Family, Am I Right?
For Detroit, By Detroit
For the Cinephiles
Franchise Fever
Gangster Movies
Gridiron Stories
Heroes & Villains
Holiday Eats
Holiday Faith
Indie Darlings
Is it a Christmas Movie?
It's Giving Doomed
K-Drama & Beyond
Modern Classics
Movie Night
New Year, Full Slay
New-stalgia
Nostalgia TV
Only Free on Tubi
Passion & Power
Plot Twists & Curveballs
Series Spotlight
The Toy Aisle
Tinsel & Terror
True Crime Headlines
Tubi's Most Popular 2025
Unwrap a Franchise
Weekly Watchlist
Yule Log Emporium
Networks
A&E
Complex Networks
CONtv
Docurama
Dove Channel
DUST
FilmRise
FOX
FOX SOUL
FOX Sports
Full Moon Features
Hallmark
K-Content by CJ ENM
Lifetime
LOL! Network
Shout! Factory TV
So...Real
TMZ Presents
TV One
UNINTERRUPTED
Movies
TV Shows
Live TV
Español
Tubi Kids
Help Icon
Help Center
Terms of Use
Privacy Policy
Contact Support
Sign In
Register
Search Icon
Bell Notification Icon
Remind Me
You’ll be notified via email when this becomes available
content unavailable
Classic Doctor Who: The Fourth Doctor
Season 12 Episode 8 - The Ark in Space (Pt. 4)
1975 · 26 min
Subtitles Icon
TV-PG
Sci-Fi
·
Adventure
·
Drama
Trapped by the Wirrn, The Doctor and his friends are forced into one last terrible gamble.
Subtitles:
English
Starring:
Tom Baker
Tubi logo
Slash
tv shows
Facebook
Instagram
Twitter
LinkedIn
COMPANY
About Us
Careers
Contact
SUPPORT
Contact Support
Help Center
Supported Devices
Activate Your Device
Accessibility
Report IP Issues
PARTNERS
Advertise with Us
Partner with Us
GET THE APPS
iOS
Android
Roku
Amazon Fire
PRESS
Press Releases
Tubi in the News
LEGAL
Privacy Policy (Updated)
Terms of Use (Updated)
Your Privacy Choices
Cookies
Copyright © 2025 Tubi, Inc.
Tubi is a registered trademark of Tubi, Inc.
All rights reserved.
Device ID: 0de11369-ea4d-4a2c-9d1d-7df31b956c13
Made with
Heart
in San Francisco