Air date: 2019-06-04

Runtime: min

Tony begins his journey at the source of the Thames in Gloucestershire. He meets a professional crayfish catcher, investigates the cleanliness of the water and discovers the uses the Home Guard put the river to in WWII.

Air date: 2019-06-11

Runtime: min

Through the beautiful Thames valley, Tony ends up at Hampton Court Palace before trying out a Victorian skiff and exploring the river's most advanced sewage plant.

Air date: 2019-06-18

Runtime: min

Reaching central London, Tony Robinson boards an industrial working ship, explores the Physic Gardens, and gets a bird's-eye view of the river from the Shard.

Air date: 2019-06-25

Runtime: min

On patrol with the Metropolitan Police Marine Unit, Tony gets an emergency call-out to an unexploded bomb. At Billingsgate Fish Market, he relives his teenage years working the docks.