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The Lab Rats investigate whether alternative fuels can take on petrol, the traditional fuel for cars. The Alternative Relay Race sees the Lab Rats pit a chocolate powered car and an electric car against two cars powered by petrol.

5 minutes

Last on

Wed 17 Oct 201212:30
CBBC

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Broadcasts

  • Thu 14 Oct 201015:00
    BBC Two
  • Wed 26 Jan 201116:25
    BBC One
  • Thu 5 May 201116:25
    BBC One
  • Mon 9 May 201110:25
    CBBC
  • Thu 9 Jun 201110:30
    CBBC
  • Thu 29 Sep 201109:10
    CBBC
  • Mon 14 Nov 201109:30
    CBBC
  • Tue 13 Dec 201109:25
    CBBC
  • Thu 26 Jan 201209:10
    CBBC
  • Thu 20 Sep 201212:30
    CBBC
  • Wed 17 Oct 201212:30
    CBBC