After a series of scrapes with mercury vapour, a robot and a food machine, things get even worse for the Doctor and Jamie.

They fetch up on the latest base-under-insane-leadership and meet some old enemies and a smart-arsed new friend.

Are three digits really better than five?

Brother, can you spare a Bernalium rod (for a hungry cybermat)?

Could you identify a Hercules Cluster in a blindfolded smell test?

And did Jim and Martin find the story 'fantastic' or was it spinning its wheels?

Listen to find out!

Special mention to Iz and Steve Skinner for their wonderful 3D animation of the missing episodes of this story.

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Thanks for listening!