The strange coral monster.
The adventurers face the Rolling Thunder challenge.
Actor Matt D'Angelo joins Tim Lovejoy, Natalie Casey and chef Simon Rimmer. BBC GOOD FOOD MAGAZINE: some recipes from the show are featured in the January issue. Out now, price E
Fish recipes, including spicy salmon fishcakes with a Thai dipping sauce.
Keepers hope for romance between two otters.
Live coverage of the European Cross Country championships from Ostend, Belgium. Britain's Mo Farah is likely to be among the frontrunners. Presented by Steve Cram.
Digital viewers can press red for live coverage, 10.00am-1.00pm
Live coverage of this afternoon's four encounters in the UK championship, which are scheduled to reach their conclusions. Mark Selby, Marco Fu, Mark King and Stephen Hendry are the four seeds in action against qualifiers, with Hendry continuing his quest for a sixth title. With Hazel Irvine, Steve Davis and John Parrott.
Commentary by Clive Everton and Dennis Taylor.
Live coverage from a choice of tables from 1.00pm until end of play
The competition continues as representatives from Scotland, Wales and Ireland try to wrestle the trophy from England, the current champions. Kate Humble joins regulars Matt Baker and Gus Dermody.
6/6. Tanzania to South Africa. It's the final stages of Ewan McGregor and Charley Boorman's bike journey. But on their last leg, disaster looms. Directors/Producers David Alexanian and Russ Malkin
Repeated on Wednesday at 1.10am
Cork - Forest in a Bottle. Francisco Garrett explores the Alentejo region of Portugal where the ancient cork oaks of Montados provide a sustainable local economy, a harmonious space for some of Europe's rarest wildflowers, and nesting places for booted eagles. Monty Don narrates. Producer Mike Salisbury ; Series editor Tim Martin
Shown last Tuesday
Cornwall and the Isles of Stilly. Cables beneath a Cornish beach are attached to a dramatic tale of espionage, greed and the birth of radio. Mark Horton visits the Isles of Scilly to reveal ancient tombs while Alice Roberts investigates the unique Cornish light that inspired generations of artists. Series producer Steve Evanson
Executive producer Gill Tierney
7/8. James May travels to California to take a look at what's being hailed as the future of motoring - the hydrogen-powered Honda Clarity. Jeremy Clarkson has a high-voltage encounter with the Tesla, a battery-powered super car, and Richard Hammond takes an affectionate look back at 50 years of touring-car racing. Plus singer Tom Jones is the Star in a Reasonably Priced Car, and there'll be some festive fun and games in the studio.
Executive producer Andy Wilman BBC3 is showing The Best of Top Gear on Thursday at 7pm
BBC TOP GEAR MAGAZINE: available monthly, price Â£3.95
See feature/photo gallery at www.radiotimesxom/top-gear
Highlights of today's Premier League fixtures - Chelsea v West Ham United and Portsmouth v Newcastle United. Adrian Chiles presents.
Producer Ian Finch ; Editor Andrew Clement
BBC MATCH OF THE DAY MAGAZINE: available weekly, price Â£1.80
In an extended edition of Thursday's show, the host is joined by actor Brendan Fraser , with music provided by Alesha Dixon. (Revised rpt)
11/25; series three. The Eclipse 2/2. Elle and Sylar battle against a vengeful Noah, while Nathan comes to a shocking decision.
Regular cast on Wednesday Shown last Wednesday Simulcast in HD on the BBC HD channel Series update at www.radiotimes.com/heroes
Action from this evening's first-round matches on day two of the UK championship at the Telford International Centre.
Extended highlights from day two of the UK championship.
Weekly round-up. Shown last Monday on BBC1