Doctor Who Flux: 14 Best Easter Eggs You Might've Missed

11. The Hopper Virus

It's safe to say that nobody expected The Halloween Apocalypse to contain a reference to Orphan 55, and yet... it does.

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When the Doctor boards Karvanista's ship, she empties her pockets and out comes a crisp packet, which contains "leftover Hopper virus particles".

The Hopper virus was first seen in Orphan 55: it infects Ryan Sinclair when he interacts with a vending machine, but the Doctor cures him by luring it into a crisp packet - the exact same crisp packet she pulls from her pocket.

BBC

Hey Chris, thanks for reminding us about this trainwreck of an episode!

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