IGN's Ahsan Haque gave the episode a score of 9.3 out of 10, describing it as "an extremely well written and directed episode with awesome visuals and excellent sound design". Though he noted that "much of this episode felt a bit like watching a moderately entertaining B-movie like Event Horizon", he thought it was "presented with ample flair and charm". Dek Hogan of Digital Spy stated the episode got the series "back on form", though he noted that losing the TARDIS was becoming tiresome.
Ahsan Haque from IGN awarded the episode a score of 9.3 out of 10, commending its outstanding production values, describing it as "exceptionally well written" and "excellently directed". He also appreciated its visual and audio elements. In contrast, Hogan from Digital Spy felt that the series was back on track after this episode.