S4 E1 · High Wycombe to Stratford-upon-Avon

Michael Portillo embarks on another journey to learn more about the nation's railways.

S4 E2 · Birmingham to Stafford

Michael Portillo learns how Birmingham became the world's pen-making capital.

S4 E3 · Stoke-on-Trent to Winsford

Michael Portillo learns about the dark side of the Industrial Revolution.

S4 E4 · Dudley to Bridgnorth

Michael Portillo rides on one of Britain's most modern trains.

S4 E5 · Welshpool to Aberystwyth

Michael Portillo hears how the railways took Welsh textiles into exclusive households.

S4 E6 · Portsmouth to Gomshall

Michael Portillo helps feed the crew of Britain's newest battleship.

S4 E7 · Woking to Clapham Junction

Michael Portillo discovers a surprising 19th-century place of worship.

S4 E8 · London Victoria to Abbey Wood

Michael Portillo learns about the drinking habits of volunteer Victorian firefighters.

S4 E9 · London King's Cross to Peterborough

Michael Portillo discovers how a derelict part of London is being rejuvenated.

S4 E10 · Spalding to Grimsby

Michael Portillo learns how Lincolnshire farmers utilised railways to improve harvest.

S4 E11 · Stirling to Invergowrie

Michael Portillo learns about a Scottish hero and visits a Highland Games.

S4 E12 · Dundee to Aberdeen

Michael Portillo learns how Queen Victoria used to hide from her subjects.

S4 E13 · Dufftown to Aviemore

Michael Portillo learns how Victorian whisky trains were raided by robbers.

S4 E14 · Inverness to Plockton

Michael Portillo learns what a spa break in the Victorian era comprised.

S4 E15 · Invergordon to John O'Groats

Michael Portillo learns how one man's vision helped bring train travel to the Highlands.

S4 E16 · London Paddington to Warminster

Michael Portillo learns about a Victorian asylum and making malt the 19th-century way.

S4 E17 · Salisbury to Castle Cary

Michael Portillo visits a tourist spot that's captivated visitors since the Victorian era.

S4 E18 · Taunton to Minehead

Michael Portillo summons all his strength to move a 110-ton steam locomotive.

S4 E19 · Lynton & Lynmouth to Exeter

Michael Portillo visits a garden used as a viewing platform for public hangings.

S4 E20 · Exmouth to Newton Abbot

Michael Portillo goes out to sea with an RNLI lifeboat crew and visits a coastal railway.

S4 E21 · Killarney to Cobh

Michael Portillo embarks on the first leg of a journey through the Republic of Ireland.

S4 E22 · Charleville to Waterford

Michael Portillo finds out about the ancient art of making butter.

S4 E23 · Kilkenny to Athy

Michael Portillo uncovers 19th-century Ireland's surprising industrial heritage.

S4 E24 · Newbridge to Roscrea

Michael Portillo investigates an astronomical feat of Victorian engineering.

S4 E25 · Athlone to Galway

Michael Portillo meets up with a traditional Irish singing group.