The Doctor contemplates a journey to see an old acquaintance and digs a well. Released in cinemas alongside the 3D double-bill of Dark Water and Death in Heaven.
| Directing | Edward Bazalgette | Director |
| Writing | Steven Moffat | Writer |
| Production | Steven Moffat | Executive Producer |
| Production | Brian Minchin | Executive Producer |
| Production | Derek Ritchie | Producer |
| Editing | Adam Green | Editor |
