TV Guide Yesterday

Armed with his early 20th century Bradshaw's Guide, Michael Portillo sets off on the first leg of a trip through Britain's industrial heartlands in the footsteps of George V, beginning by travelling from Warrington to Preston

In Blackburn, Michael Portillo catches a rare glimpse of Edwardian life on celluloid and marvels at how factory workers and schoolchildren alike were drawn to seek fame on film. Continuing east to Nelson, Michael braves the enemy camp to have a pint of tea with the socialist working classes in Britain's last Clarion House

Michael Portillo visits Heaton Park in Manchester, where one of the first open air concerts was held in 1909, before travelling on to the town of Oldham. Michael then ventures to Edale in the Peak District, where he joins ramblers in walking country, and learns how a Sheffield socialist spearheaded a mass trespassing revolt to open up the countryside to working people

Michael Portillo journeys from Maltby to Hinckley, investigating the high-octane sport of whippet racing and trying to understand the appeal of Marmite. Plus, he has a look around the Triumph motorcycle factory and learns about the first of these vehicles to be built

Robbie Cumming explores the English canal network, beginning with a journey from Shardlow to Etruria Junction, Stoke on Trent, exploring the Trent and Mersey Canal. However, not everything goes to plan, and he will have to deal with a tricky issue with his propeller as well as navigating the complicated locks on the Trent and Mersey Canal

Robbie Cumming explores life on the English canal network. A low canal tunnel in Staffordshire proves to be problematic and Robbie helps out a stranded boater

Robbie Cumming's exploration of the English canal network continues across the Pennines from Marple to Huddersfield, where his journey is hampered by a fallen tree and a leaking lock pound

Robbie Cumming travels along the Rochdale Canal from Sowerby Bridge to Manchester. But disaster strikes when he runs aground, threatening to stop him from reaching his final destination

Robbie Cumming concludes his journey by travelling from Barton Swing Aqueduct to Liverpool Docks - but he experiences engine issues and a leaky boat along the way

Creatures that live on coral reefs, including groupers, small predators that scientists believe are as intelligent as chimpanzees. These creatures have a remarkable aptitude for communication to the point where they can interact with other species including octopi and work together to catch prey. Plus, footage of a vast spawning event involving several different species of fish, coral and invertebrates, and time-lapse photography of coral polyps growing and dying, creating a structure visible from space

Wildlife that live thousands of kilometres from land, featuring footage of baby turtles using debris as life rafts and whales sharks embarking on lengthy voyages across the Pacific to the point where it is safest to give birth. Special pressure-proof cameras are used to film sperm whales hunting for squid a kilometre beneath the surface and the impact of plastic pollution on the oceans is revealed

Footage of wildlife inhabiting underwater kelp forests, including thousands of giant cuttlefish spawning along a restricted area of rocky reef off the south coast of Australia. Males outnumber females 11 to one, which leads to fierce competition. Larger males use brute force to drive off competition, while their smaller rivals use deception by mimicking the appearance of females. The programme also features tiger sharks hunting for green turtles in fields of seagrass and spider crabs trying to avoid predators while they shed their shells

Footage of animals that live on the coast, including sea lions working in packs to hunt tuna in the shallows and moray eels that venture out of the water to seek out food on dry rocks. Puffins must brave predators to bring a mouthful of food back to their young and king penguins go without food for a month while they moult. Plus, footage of the bizarre Leaping Blenny, a fish that hates the water