The Yorkshire Steam Railway: All Aboard (C5, 7.30pm)

IN a bid to generate as much cash as possible, the railway decides to put on a an annual steam show with a record 15 locos coming from all over the country for a weekend spectacular. The star-studded line-up includes the iconic Union of South Africa, the fastest steam loco ever built, which is due to be retired, so this will be one of the last opportunities to see it.

Celebrity Britain by Barge: Then & Now (C5, 8.30pm)

ON the second part of the Scottish leg, Bill Oddie, Jennie Bond, Anne Diamond and Pete Waterman join the Glasgow and Edinburgh Union Canal, rising lock, stock and barge up the Falkirk Wheel before heading east. Anne and Jennie encounter

the ghost of William Burke – of Burke and Hare fame – as they travel

through the Falkirk Tunnel, which he helped build as an Irish navvy.

Pete goes digging for industrial treasure at an old railway terminus and Bill gets to look down on the birds

for once as the barges take

to the air on the longest aqueduct

in Scotland.

Wild Cuba: A Caribbean Journey (BBC2, 8.30pm)

CUBA’S isolation has helped preserve many of its natural riches, creating unspoiled landscapes that are home to many enchanting animals. In the first of a two-part series, cameraman, director and naturalist Colin Stafford-Johnson explores corners of the country few outsiders have seen. He encounters is the bee hummingbird, the world’s tiniest bird, and the spectacle of thousands of crabs migrating en masse. In this authored odyssey, the natural magic of one Earth’s most intriguing countries is revealed.

Greg James’ Sport Relief Heroes (BBC1, 10.35pm)

IN the run-up to next week’s event, Greg James meets his heroes – those who have gone above and beyond for the charity. They include Eddie Izzard who drove himself to breaking point running 27 marathons in 27 days as a tribute to Nelson Mandela, and David Walliams, who swam 140 miles along the River Thames. Greg also chats to John Bishop, who travelled by bike, boat and foot from Paris to Trafalgar Square and Davina McCall, who completed a seven-day, 500-mile triathlon from Edinburgh to London.