An ambitious and daring episode, "Heaven Sent" explored the isolating nature of grief in an episode that found the Doctor trapped in a prison meant only for him.
Kaitlin Thomas, TV.com
Sat, 11/28/2015 - 8:11am
An ambitious and daring episode, "Heaven Sent" explored the isolating nature of grief in an episode that found the Doctor trapped in a prison meant only for him.