An elephant demonstrates its sucking power.
Upsy Daisy sets up her own megaphone, but she can't make herself heard.
More autumn fun. Autumnwatch continues at 8pm. (R) (S)
Tyler gets the chance to sing at an opera.
The vast windswept mudflats of the Solway Firth. <R)
The teenage children from the two families that have swapped homes have been having tantrums all week. (RXS)
Coverage of Prime Minister's s Questions. Presented by Andrew Neil and Jenny Scott.
Director Claire Bellis and Anna Rasmussen Editor Jamie Donald
Meeting up with war veterans who suffered hearing loss after serving on the front line. With voiceover. Rptd next week on BBC1
Nik Wood presents.
Brian Conley hosts the game show in which contestants must expose the cheat among them to win the prize. (5)
John Bills and his daughter Emma want to move to north Cornwall to pursue their love of extreme sports. (R) (S)
Anita Manning and David Barby appraise collectibles in Belfast.
Anita ManningExpert: David
Allegra McEvedy, Maria Elia, Aiden Byrne and Paul Rankin make roast mackerel with herb blinis, and hot fudge with apple puree.
Quiz hosted by Dermot Murnaghan.
Craig Revel Horwood joins Claudia Winkleman.
5/10. The team race across a busy London to find the fastest way around, with Jeremy in a boat. James in a car, Richard on a bike and the Stig on public transport. Shown on Sunday at 8pm [web address removed] TOP GEAR MAGAZINE: get a DVD of the greatest movie car chases with the November issue. Price Â£3.95
Discover why we watch Top Gear at [web address removed]
Tonight, an update on how many whooper swans have made it back to Martinmere and how their families are doing. Plus a look at foxes, beavers and hedgehogs, and how to apply for lottery grant funding. Find out more about the series at www.bbc.co.uk/autumnwatch
19/23. Sylar's rampage continues when two more heroes are confronted and Nathan must factor what he's learnt from Linderman into difficult decisions that will shape the world's future. Meanwhile, Thompson uses every tool at his disposal to locate Claire, and Hiro's resolve strengthens in the face of a grim reality. The next episode is on BBC3 at 10pm.
Rptd tomorrow at 11.20pm and next Sunday (HD) Download the podcast of BBC 7's Saturday fan forum show at at [web address removed]
Ando Masahashi James:
Documentary series, this week featuring an exclusive interview with Santiago Cabrera, who plays eminent and future-predicting artist Isaac Mendez.
Series producer Adam Page: Executive producer Mark Cossey
Repeated next Saturday (HD)
2/6. Deadline. The tracks that bring the trains into St Pancras have to be moved from the east to the west side of the station over the course of a single weekend. Continues next Tuesday.
With Jeremy Paxman.
Followed by Weather
3/6. This week, a clown uses his comedic skills to seduce women, but isn't so successful the morning after, and a terminally ill girl makes one final request. Director Ric Cantor ; Series producer Ash Atalla
First shown on BBC3
New series 1/5. A caustic look at the TV industry, including the recent phone-in scandals and US drama Heroes. Episode two is tomorrow at 12.05am. Series producer Zoe Tait : Executive producers Charlie Brooker and Derek McLean First shown on BBC4
[web address removed]
Schools Repeats not indicated.
2.00 Making Sense of Health - Key Stage 2 and 3
How young people can engage with community health issues. 43399
4.00 Making Sense of Health - Key Stage 4
Community health issues. 6902825
4.40 Science in Action
Demonstrating respiration, microbes and cells.