Henry brings back prank culture as Rudy wants to go exploring the sea floor more… we’ve also got a Banjo!
Rudy theorises about old prototypes of digging machines. Whilst Henry explains how the real physics of hot air balloons and deserts work… we’ve also...
In the middle of the winter, Rudy will drag us to the coldness of the USSR trekking, and Henry will find out about some...
Henry takes us on a confusing flight exercise gone wrong, while Rudy flies off to fantasy land once again… we’ve also got daily worries!