U and YESTERDAY

Does one fewer wheel mean cheaper bills? That's the question the team want to find out this week as they take on a three wheeled wonder - the Reliant Robin.

Dave goes to Wales to bag a Sierra Cosworth, a sought-after car in the bidding market. Dad Derek gets his hands on a more sedate 1926 Standard Tourer - a quirky little motor.

Exploring Old Joliet Prison, a battered facility near Chicago that descended into open war, but then hosted the Blues Brothers.

Michael Portillo makes the spectacular ascent by train to Europe's highest station.

Today, vehicles of all speed capabilities enter the garage, while Colin embarks on a mission to keep a milk float on the road.

Colin tries to help a 1978 Austin Allegro's owner with their wonky suspension, but must call in the cavalry when a piece of specialist kit packs in.

Shopping from Home.

Brands Hatch and Thames Traditional Boat Festival: Colin and the team welcome a Lincoln Continental with headlight woes and a VW Golf with reliability issues.

Colin brings a rare Ford Zephyr into the 21st Century, a VW Beach Buggy is tuned by ear, and a E-Type Jag gets supersized air filters.

Exploring Camp Hero in Long Island, and a salt mine in Poland.

Exploring the Apollo Movie Theatre in Tbilisi, Georgia, an ornate shrine to Soviet propaganda.

In blacked-out London four young women are murdered - just like Jack fifty years before. When two flights disappear without a trace, the legend of the Bermuda Triangle begins.

The 'Good' Nazi?: Architect Albert Speer was one of the few war criminals to admit his guilt at the Nuremberg trials, but was his remorse a ruse? The facts are assessed.

Michael Portillo travels the Habsburg imperial line from Vienna across the impressive Semmering Pass, a railway line through the Alps, as he heads toward Trieste.

Fiona Bruce presents from Walmer castle, Kent, where finds include a rare pottery piglet, a revolving table with secret compartments, and a British PoW's diary.

Dave heads to Bolton to pick up a classic Italian sports car - a Lancia Fulvia 1.3 Sport styled by Milan coachbuilder Zagato.

The Germans hear that Polish forces are fighting alongside a huge bear. Tales of this beer-swilling, chain-smoking beast terrify them - but incredibly the stories are true.

Follow the search for the elusive Josef Mengele, for many years the world's most wanted criminal, led by one of his captives in Auschwitz - Simon Wiesenthal.

Fiona Bruce presents from Walmer castle, Kent, where finds include a rare pottery piglet, a revolving table with secret compartments, and a British PoW's diary.

Guy Martin explores the legacy of the biggest-ever nuclear disaster in Chernobyl and the engineering solutions designed to make the area safe.

Narrowboater Robbie Cumming faces a journey of many challenges as he runs aground and breaks down in Nottingham.

Robbie Cumming has problems with ice on the Grand Union Canal, and ends his journey in Braunston, Northamptonshire.

Timothy West and Prunella Scales travel down the Stratford-upon-Avon Canal, revisiting places from the early stages of their relationship and acting careers.

An exploration of Chateau Aubery on the island of Martinique, where a criminal kingpin wiped out the opposition.