| "Frontier in Space (Part 1)" | |
|---|---|
| Series Doctor Who Season 10, Episode 9 | |
| File:Doctor Who 10.9 001.jpg | |
| Air date | February 24th, 1973 |
| Writers | Robert Holmes |
| Director | Derek Martinus |
| Producers | Derrick Sherwin |
| Starring | Jon Pertwee; Caroline John; Nicholas Courtney |
| Episode guide | |
| Previous "Carnival of Monsters (Part 4)" |
Next "Frontier in Space (Part 2)" |
"Frontier in Space (Part 1)" is the ninth episode of series tenth of the British science fiction television series Doctor Who and the 257th episode of the series overall. It is the fourth chapter of the "Spearhead from Space" serial and was directed by Derek Martinus and written by Robert Holmes. It first aired on BBC One on February 24th, 1973.