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Doctor Who will continue battling plastic in the new series... but this enemy won’t be the shop-dummy Autons but something far deadlier.

Jodie Whittaker will wage war on plastic choking the world’s oceans.

Writer Chris Chibnall covered racism, gender politics and British imperialism in the last series, leading some viewers to moan the sci-fi show, aimed at kids, had become “too PC” with it’s messages.

But it averaged 8.6million viewers, making it the most popular since David Tennant’s third run as Doctor in 2008.

(Image: BBC)

One show insider revealed: “Last season, the theme was empowerment for women, mirroring what was happening elsewhere in the world.

“This time there will be an effort to get behind the message that what we’re doing is killing our planet.

“Kids are really involved in these environmental issues so it’s a perfect fit for Doctor Who.”

(Image: Getty)

It has demonstrated a social conscience on other matters, too.

The Doctor overthrew the galactic slave trade in 1981’s Warriors’ Gate.

The BBC has helped to campaign against single-use plastic since the issue was highlighted by Sir David Attenborough in his 2017 series, Blue Planet II.

Jodie Whittaker’s second series is due on BBC1 early next year, following her second festive special.