Original version

CBBC Channel

CBBC

BBC Two

BBC HD

BBC Two Scotland

BBC Two Northern Ireland

Until 03/01/2009 BBC Two Wales (analogue) was known simply as BBC Two Wales. BBC Two Wales (digital) was BBC 2W. From 03/01/2009 BBC Two Wales schedules on both analogue and digital became identical

BBC Two Wales

BBC Two England

England

Space Hoppers

Dan Wright

Steve Marsh

Jack Jameson

John Piper

Space Hoppers: Episode 5: Don't Knock the Rock

Children's: Factual

Episode 5

Episode 5: Don't Knock the Rock

Don't Knock the Rock

CBBC - Space Hoppers, Don't Knock the Rock

Dan Wright and Steve Marsh look at whether asteroids and comets could collide with earth.

Dan Wright and Steve Marsh investigate whether any of the millions of asteroids and comets whizzing around in the solar system could collide with earth.

Earth inhabits a crowded neighbourhood. As well as all the planets and moons in the solar system there are millions of asteroids and comets whizzing around out there. Dan Wright and Steve Marsh want to know if any of them could collide with earth? And the answer could be explosive.

The BBC's multiplatform offering bringing the very best programmes to 6-12 year olds.

CBBC is the BBC's multiplatform offering for 6-12 year olds bringing the very best drama, entertainment and factual programmes to its young viewers.

Two intrepid travellers investigate worlds beyond our planet and holiday in outer space

Two intrepid travellers investigate worlds beyond our planet and find out how to holiday in outer space

Accessibility links

Programme Index

Space Hoppers

Episode 5: Don't Knock the Rock

Contributors

Genres

Series

CBBC Channel

About CBBC