Separated from The Doctor, Clara discovers a new menace from another dimension. But how do you hide when even the walls are no protection.
| Title | Flatline |
|---|---|
| Genres | Action & Adventure Drama Sci-Fi & Fantasy |
| Release Date | 2014-10-18 |
| Episode Runtime | 00 Hours 38 Minutes |
| Season Number | 8 |
| Episode Number | 9 |
| Production Companies | BBC Cymru Wales, BBC Studios, CBC |
