Top cats!

Gordon Buchanan revisits Botswana's lions, leopards and cheetahs

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BIG CATS 24/7 Friday, 9pm, BBC2 Factual (box set, BBC iPlayer).

Six months after capturing the dramatic lives of big cats in Botswana's Okavango Delta for a spectacular BBC2 wildlife series, the Big Cats 24/7 crew, including film-maker and cameraman Gordon Buchanan, returned to Africa for more round-the-clock filming of these magnificent beasts, and the footage they captured can be seen as the series returns for a six-part second run.