RTÉ2 HD ·

Horrible Science

Tuesday 20 October 2026, 12:00 – 12:30 UK time

Dragon's Blood, Rude Flowers and Wibbly Wobbly Gravity: Big Brain has a chemical catastrophe, while Sir Isaac Newton rides a coaster again. (HD)

Upcoming showings

Other scheduled episodes, repeats and reruns across all channels. All times are UK time.

RTÉ2 +1

Horrible Science

Tuesday 20 October 2026, 13:00 – 13:30

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RTÉ2 HD

Horrible Science

Wednesday 21 October 2026, 12:00 – 12:30

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RTÉ2 HD

Horrible Science

Thursday 22 October 2026, 12:00 – 12:30

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RTÉ2 HD

Horrible Science

Friday 23 October 2026, 12:00 – 12:30

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CBBC

Horrible Science

Sunday 25 October 2026, 13:00 – 13:30

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