Elite builders face off to become the next Mythbusters crew and test two tall tales - the sideways ejector seat and infamous 'Deflategate' football.

The remaining competitors return attempt to solve the myth about painting with explosives. Plus, they test the theory that alcohol increases creativity.

With two competitors eliminated the remaining builders attempt a cardboard boat. Plus, gun skills are tested when they probe the myth of targeting by sound alone.

Seven remaining competitor revisit the Needle in a Haystack myth and attempt to improve on the original team's techniques.

It's a myth straight out of the A-Team - can you make a weapon out of junkyard scrap? Then, they find what it takes to make a bike impossible to ride.

Is it possible to scale a building with vacuum cleaners? Could an amateur land a plane with radio instructions? The build team contestants find out.