U&Eden HD Friday

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The past, present and future of British power stations, investigating how the country makes its most valuable commodity of all - electricity

Guy Martin visits the most important place in the entire national grid - the central control room - where electricity is bought, sold and routed every single second of the day

Guy investigates the future of energy production, travelling to Orkney to look at how the Scottish islands are at the forefront of hydrogen research

Engineering enthusiast Guy Martin recreates technical achievements of the 19th century, beginning by overhauling a steam locomotive currently in use on the Severn Valley Railway

The past, present and future of British power stations, investigating how the country makes its most valuable commodity of all - electricity

Guy Martin visits the most important place in the entire national grid - the central control room - where electricity is bought, sold and routed every single second of the day

Guy investigates the future of energy production, travelling to Orkney to look at how the Scottish islands are at the forefront of hydrogen research

Engineering enthusiast Guy Martin recreates technical achievements of the 19th century, beginning by overhauling a steam locomotive currently in use on the Severn Valley Railway

Comedy capers with the hapless staff of a stately home

Sir Ralph suspects that his wife Lady Agatha is having an affair, and Lord Meldrum's car is vandalised. Comedy, starring Paul Shane, Jeffrey Holland and Su Pollard

Lady Lavender instructs her solicitor to give Ivy her shares from the Union Jack Rubber Company and James is tortured by thoughts of Miss Poppy. Comedy, starring Paul Shane

A fancy dress party is planned for Cissy's birthday, while Ted's plans to get into Ivy's room go seriously wrong

Lavender changes her mind and promises her shares to Stokes, and Ivy gets into trouble for telling Sir Ralph about his wife's indiscretions

Alf pawns his Lordship's silver cigarette case to raise money for the Union Jack Rubber Company shares

Comedy capers with the hapless staff of a stately home

Sir Ralph suspects that his wife Lady Agatha is having an affair, and Lord Meldrum's car is vandalised. Comedy, starring Paul Shane, Jeffrey Holland and Su Pollard

Lady Lavender instructs her solicitor to give Ivy her shares from the Union Jack Rubber Company and James is tortured by thoughts of Miss Poppy. Comedy, starring Paul Shane

A fancy dress party is planned for Cissy's birthday, while Ted's plans to get into Ivy's room go seriously wrong

Lavender changes her mind and promises her shares to Stokes, and Ivy gets into trouble for telling Sir Ralph about his wife's indiscretions

David Attenborough examines the emperor penguin and the wood frog, both of which survive in conditions so cold they seem to defy the laws of nature

Two families with remarkable powers of regenerating unusually large body parts easily - salamanders and male moose

The naturalist continues to explore the secrets behind evolution, this time focusing on the animal kingdom's bizarre hybrids, including the 'pizzly bear'

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