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The trailer, titled The Prequel, features David Attenborough's narration over spectacular scenes of the Earth's oceans and the underwater inhabitants.

The five minute clip teases what is in store for the long-awaited sequel to the 2001 nature series; from slow-motion shots of blue whales soaring out of the ocean, to a glimpse of a bale of turtles occupying an entire beach as they slowly make their way to the sea, to close-ups of the extraordinary creatures on the sea floor.

Eighteen candidates will compete to win a life-changing £250,000 investment for their individual businesses. 

Lord Sugar is back with Baroness Karren Brady, one of the most influential female business leaders in the UK and Claude Littner, successful entrepreneur and businessman with over 50 years experience. They will be closely observing the candidates' every move across the 12 weeks.

This year, the series has attracted applicants from a range of business sectors, including fashion, construction and floristry.

Broadcast on BBC One over three consecutive nights in May, Three Girls tells the true stories of “Holly”, “Ruby” and “Amber”, who were victims of child grooming over a number of years and who helped to convict nine men of child abuse offences.

The comic duo first paired appeared on screen in 1987 in their sketch show French and Saunders and they will return to television for a one-off Christmas special.

It's been 10 years since the pair released their last series together, A Bucket O French and Saunders, and now they are back together to celebrate 30 years of their partnership. 

The three-day Convention featured keynotes from James Murdoch, Ofcom chief Sharon White and the Secretary of State Karen Bradley MP, as well as some lively panel discussions.

Watch highlights from the event below, or scroll down to watch the sessions in full. You can read more about this year's RTS Cambridge in the October issue of Television magazine.

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Introduction

I’m proud to be speaking to you as Chairman of the BBC.

A couple of years ago in his MacTaggart lecture, Armando Iannucci called public service broadcasting “one of the best things we’ve ever done” as a country.

It’s something I have always believed. And I believe the British public do as well. 

Not just because an unprecedented number responded to the Government’s consultation paper at the time of our Charter Review, the great majority in support of the BBC…

British soaps have made huge strides in portraying the lives and loves of gay characters since the genre’s first on-screen kiss in EastEnders three decades ago.

Director of BBC Content, Charlotte Moore announced a range of new commissions at the EITF from the BBC.

She said: "The new commissions I’m announcing today are examples of the range and ambition audiences can expect from the channel as we continue to challenge what mainstream television can do and connect with a diverse modern Britain."

Alan Partridge

BBC Two will broadcast a 25th anniversary special this year, marking 25 years since Alan Partridge's debut on BBC Radio back in 1992 and a BBC One series will follow in 2018.

This year's series will see the return of judges Craig Revel-Horwood, Bruno Tonioli and Darcey Bussell, with new addition Shirley Ballas, who is replacing Len Goodman as Head Judge.

See the full line-up of all fifteen celebrities putting on their dancing shoes this Autumn, all with a chance of winning the glitterball trophy.