De Doctor, Jamie en Zoe keren terug naar de aarde en raken verwikkeld in de plannen van Tobias Vaughn. Ze ontmoeten een oude vriend, kolonel (nu brigadier) Lethbridge-Stewart, en een paar oude vijanden, de Cybermen.
Nee, helaas is Doctor Who: The Invasion nog niet beschikbaar op Netflix in Nederland.
| Writing | Kit Pedler | Story |
| Directing | Douglas Camfield | Director |
| Writing | Derrick Sherwin | Writer |
| Writing | Terrance Dicks | Script Editor |
| Production | Peter Bryant | Producer |
| Costume & Make-Up | Bobi Bartlett | Costume Design |
| Art | Richard Hunt | Production Design |
| Camera | Alan Jonas | Camera Operator |
| Editing | Martyn Day | Editor |
| Sound | Bill Chesneau | Sound |
| Sound | Don Harper | Original Music Composer |
| Costume & Make-Up | Sylvia James | Makeup Artist |
| Production | Chris D'Oyly-John | Production Assistant |
| Crew | Brian Hodgson | Special Sound Effects |
| Lighting | Robbie Robinson | Lighting Director |
| Sound | Bryan Forgham | Sound |
| Sound | Alan Edmonds | Sound |
| Visual Effects | Bill King | Visual Effects |
| Sound | Delia Derbyshire | Theme Song Performance |
