There's a reason people say cats have Watch Officetel: Lover Friend Onlinenine lives.

On Monday afternoon, London's Royal Docks tweeted some tense CCTV footage of Felix, the Royal Docks Management Authority's office cat.

Felix had been in a scrap with a rival cat on the banks of the river Thames and lost his footing. Luckily his tumble into the river was spotted by a nearby worker called Scott, who dashed to Felix's rescue and managed to pull him free in time.

The clip below has pretty much everything you'd need in a video: cats, drama, and -- most importantly -- a happy ending:

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"Felix the RoDMA office cat had a lucky escape as Scott rushed save her from the water after a tussle with another cat!" London Royal Docks wrote on Twitter. "She is safe & sound."

Good work, Scott.