Extreme Machines
- Episode aired Feb 4, 2020
Sir David gets behind the controls of a tank as he finds out about the British inventors who gave us some of the most extreme machines on the planetSir David gets behind the controls of a tank as he finds out about the British inventors who gave us some of the most extreme machines on the planetSir David gets behind the controls of a tank as he finds out about the British inventors who gave us some of the most extreme machines on the planet