The Genie misunderstands a phrase and accidentally makes Mr. Cobbledick weigh a ton. However, the Genie is never shown cancelling the spell, but Mr. Cobbledick is later seen walking around without any of the difficulty that such an excess weight would cause.
(As the spell took place when he was on a fishing boat, then he would also have drowned, but this is a children's programme after all).
(As the spell took place when he was on a fishing boat, then he would also have drowned, but this is a children's programme after all).
At the start of the second half of the programme (just after Hal's "now, what am I going to do?" line) a boom mike enters the top of the screen.