Aired Friday 20 June, 9:35am - 9:40amon CBBC

Hey You What If?

Name: 6:50pm - Series 1 Episode 1
Start: 2025-07-11T17:50:00Z
End: 2025-07-11T17:58:00Z
Location: CBBC HD

Series 2 Episode 25: Earth Ran out of Energy

The team try out a crazy idea from science fiction to build a giant sphere around the sun that would generate more energy than would ever be needed.

Cast and crew

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