The TARDIS arrives on an extinct volcanic island. Before long, the travellers are captured and taken into the depths of the Earth, where they find a hidden civilisation — the lost city of Atlantis.
| Release Date | February 4, 1967 | |
|---|---|---|
| Status | Released | |
| Original Title | Doctor Who: The Underwater Menace | |
| Runtime | 1h 40min | |
| Budget | — | |
| Revenue | — | |
| Language | English | |
| Original Language | English | |
| Production Countries | United Kingdom | |
| Production Companies | BBC | |