Triple bill of sleuthing.

Lemar performs his new single Don't Give Up. Plus games and Dennis the Menace, Arthur, Mona the Vampire and Metalheads. Hosted by Barney Harwood, Kirsten O'Brien and Rochelle Wiseman. Part of the Potty about Books season.
[web address removed]

Docusoap following the work of estate agents at an office in north London's fashionable Belsize Park. Producer Anthony Wonke ; Series producer Cassie Braban

The demanding Sachsenring in Germany plays host to live coverage of round ten. Can anyone unseat Valentino Rossi at the top of the table? Suzi Perry has the latest news. Director Matthew Griffiths ; Series producer Belinda Rogerson

Exploring the continent's high terrain, from the Atlas Mountains to the Great Rift Valley volcanos, and the robust wildlife found there.

This week Bill explores the New Forest in Hampshire, a piece of ancient England and home to badgers and deer. There are two things to know about the New Forest: it is not new and is not a forest! Show more

With Clare Balding and Hazel Irvine.
1.20 Rugby League
Leeds Rhinos v Toulouse The second Challenge Cup semi-final sees rank outsiders take on the Super League grand-final winners from West Yorkshire (kick-off 1.45). Toulouse are the first French side to reach this stage of the competition, having pulled off a shock 40-24 win over Widnes in the quarter-finals. Today's winners will take on either St Helens or Hull FC - who clashed yesterday - in next month's final at Cardiff's Millennium Stadium.
VIDEO Plus, code for 1.20-3.30pm (non-PDC)

3.30 Golf The Women's British Open reaches its climax at Royal Birkdale as leading LPGA Tour players chase the final major of the season. England's Karen Stupples bids for a repeat of her victory at Sunningdale last year. Peter Alliss, Ken Brown, Beverley Lewis and Maureen Madill commentate.
Producer Richard Carr
Editor Philip Bernie
[web address removed]

Elimination quiz with Anne Robinson.

Natalie Imbruglia , Madness and Oasis are among tonight's performers. Christian O'Connell hosts.
Producer Sally Wood ; Executive producer Andi Peters TOP OF THE POPS MAGAZINE: now published fortnightly, price F2

Forwards Backwards. Series five. Hal is determined to buy Malcolm a decent comic book for his birthday.
First shown on Sky One

4/13. Aberystwyth to the Wirral. The latest leg of Nicholas Crane 's journey takes him from Cardigan Bay in Ceredigion to the English/Welsh border via the seaside resort of Llandudno. Along the way he hears the heroic story of how two bridges were built across the treacherous Menai Strait. Joining Crane are anthropologist Alice Roberts , who explores the biggest prehistoric copper mine in the world, historian Neil Oliver , who unearths a Welsh Atlantis, and zoologist Miranda Krestovnikoff , in search of the elusive leatherback turtles. Continues on Friday at 9pm.
Series producer Steve Evanson : Series editor Gill Tierney INTERACTIVE: short films, information on 39 coastal walks around Britain (12 with mobile-phone commentary), plus how to sign up for free local guided walks are available via the red button. Details of the walks are also available at www.bbc.co.uk/whereilive or by calling the information line on [number removed] (national rate)

3/7. The sports agent's business partner, Sammy, betrays his trust - as does his son and two clients.
Writer/Director Andy Hamilton ; Producer Sue Howells

Celebrity Love Island star Jayne Middlemiss , Guy Garvey from Manchester band Elbow, Aussie comedian Adam Hills , and the multi-talented
Matt Hales of Aqualung face a roasting from Mark Lamarr. Director Paul Wheeler
Producers Richard Wilson and Warren Prentice Phill Jupitus on Lucinda Williams : page 34

Final-day coverage of the world championships from Montreal, including Britain's Olympic medallist David Davies in the 1500m freestyle. Plus Michael Phelps of the US swims his last ever race in the 4x100m medley relay. With Sharron Davies , Jill Douglas and Stephen Parry. Commentary: Andrew Jameson , Adrian Moomouse. Producer John Graham : Editor Stephen Lyle

www.bbc.co.uk/leamingzone
WorkSkills in Travel and Tourism Repeats not indicated.
2.00 The Complete Guide A look at the various jobs available in the world of travel. 22807 3.00 Safety and Leadership 74807 4.00 Customer Care and Business 52933 5.00 Fasten Your Seatbelts