
A look at the complex production of the Doctor Who story Underworld, with particular emphasis on the difficulties in achieving the bluescreen virtual studio sets.
| Release Date | March 29, 2010 | |
|---|---|---|
| Status | Released | |
| Original Title | Into the Unknown | |
| Runtime | 31min | |
| Budget | — | |
| Revenue | — | |
| Language | English | |
| Original Language | English | |
| Production Countries | United Kingdom | |
| Production Companies | 2 Entertain | |