slightly overlong set episode previous week paid uncertain terms episode hit heights certain deus ex machina flavour resolution cliffhanger good start that common doctor moral ethical emotional considerations actions centre stage always classic series side issue glossed doctor heat battle regeneration even says sorry cyberman battle episode finally shows mickey embracing heroic side hinted previous episodes journey zero hero complete utterly convincing one scares humour scenes brought lump throat episode everything much consideration finally say new series betters classic series every single respect coming die hard whovian get better recommendation that