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Episode 19
Episode 19 of 30
Owain and Tilly find that camera trickery can put you in the driving seat, discover water’s dark secret, see how rollercoasters are designed, and try an annoying sound challenge!
Last on
Thu 12 Feb 2026
09:20
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- Fri 14 Oct 2022 11:20
- Thu 2 Oct 2025 09:20
- Thu 12 Feb 2026 09:20