| "The Sea Devils" Episode One | |
|---|---|
| File:Doctor Who 9.9 001.jpg | |
| Air date | February 26th, 1972 |
| Writers | Robert Holmes |
| Director | Derek Martinus |
| Producers | Derrick Sherwin |
| Starring | Jon Pertwee; Caroline John; Nicholas Courtney |
| Episode guide | |
| Previous "The Curse of Peladon (Part 4)" |
Next "The Sea Devils (Part 2)" |
"The Sea Devils (Part 1)" is the ninth episode of series ninth 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 26th, 1972.