Liverpool Sound and Vision Rating * * * *

Cast: India Fisher, Michael Maloney, James Joyce, Nicholas Briggs, Louise Bradley, Nadia Kamil.

The solution is always part of the problem it seems. No matter how grand the answer, another dilemma will pop up in its place. Just as The Doctor faced being able to eradicate the Daleks from all time and space by placing two wires together, the quandary appeared that he would be as evil as them for not letting nature take its course. The solution is never the utter final truth. For the Viyrans and Charley Pollard, the solution is even more complex and for Charlotte Pollard the stakes have never been higher.