Combining the original recordings with brand new animation, this series brings missing classic Doctor Who stories from the 1960s back to the screens.The Doctor and his friends Jamie, Polly and Ben arrive on a human colony in the future where the residents' perfect smiles hide something sinister and dangerous. The colony appears to be happy and carefree, but behind its cheery exterior, the colony has been secretly infiltrated by a race of giant parasitic creatures called the Macra.