| Doctor Who | |
|---|---|
| Season 3 | |
 Cover art of the Region 2 DVD release for first serial of the season | |
| Starring | |
| No. of stories | 10 |
| No. of episodes | 45 (28 missing) |
| Release | |
| Original network | BBC1 |
| Original release | 11 September 1965 – 16 July 1966 |
| Season chronology | |
The third season of British science fiction television series Doctor Who began on 11 September 1965 with the story Galaxy 4 and ended on 16 July 1966 with The War Machines. Only 17 out of 45 episodes survive in the BBC archives; 28 remain missing. As a result, only three serials are complete.