Adam catches a glimpse of the wonders of travelling in the Tardis, as they head to a future, where Satellite 5 broadcasts to the entire Earth Empire. But anyone promoted to Floor 500 is never seen again, and the Doctor suspects mankind is being manipulated.
| Creator | Sydney Newman |
|---|---|
| Actor | Jodie Whittaker, Mandip Gill, John Bishop |
| Country | Canada, United Kingdom |
| Production | BBC Cymru Wales |