Asterix and the Sassenachs (Scots)

The Romans have landed in Britain, but the stiff upper-lipped Sassenachs put up a jolly good fight, asking Asterix, Obelix and the Magic Potion for help. But their mission seems doomed to failure when their barrel of potion is confiscated, until Asterix remembers he has some strange leaves in his pocket ... leaves which will surely change the world!