This Week in Doctor Who
Week 51: 25-31 Dec 1999 - USA
Data last updated 13 January 2025
Saturday 25 December
  |  | 12:30am MST The Seeds of Doom: Part One |
| |  | 12:55am MST The Seeds of Doom: Part Two |
| |  | 1:20am MST The Seeds of Doom: Part Three (Repeated: Sat 10:00pm MST) |
| |  | 1:45am MST The Seeds of Doom: Part Four (Repeated: Sat 10:25pm MST) |
 |  | 7:00pm PST Frontier In Space: Episode Three (Repeated: Sun 1:00am PST) | Timing approximate, this edition of TWIDW is currently missing. |
| |  | 7:30pm PST Frontier In Space: Episode Four (Repeated: Sun 1:30am PST) | Timing approximate, this edition of TWIDW is currently missing. |
 | | 10:00pm CST The Seeds of Doom: Part Two |
 |  | 11:00pm EST Underworld: Part One |
| |  | 11:25pm EST Underworld: Part Two |
 |  | 11:30pm EST The Caves of Androzani: Part Four |
 |  | 11:30pm EST Invasion of the Dinosaurs: Part Two |
| |  | 11:55pm EST Invasion of the Dinosaurs: Part Three |
Sunday 26 December
Saturday 25 December
 |  | 10:30pm MST The Armageddon Factor: Movie Version | This may not have been broadcast, as the TWIDW edition covering this date is currently missing. |
 |  | 11:30pm CST The Android Invasion: Part Two |
 |  | 10:30pm MST Genesis of the Daleks: Movie Version |
 |  | 10:30pm PST The Trial of a Time Lord (The Mysterious Planet): Movie Version |
Sunday 26 December
 |  | 8:00am EST Terror of the Zygons: Movie Version Part Two (of 2) |
 |  | 3:00pm EST Death to the Daleks: Part Three |
| |  | 3:30pm EST Death to the Daleks: Part Four |
 |  | 11:00pm PST The War Machines: Episode 1 |
| |  | 11:25pm PST The War Machines: Episode 2 |
| |  | 11:50pm PST The War Machines: Episode 3 |
