Chorlton gets in the way as the Wheelies celebrate the Silver Jubilee of Queen Doris and King Otto. But when Fenella the witch hatches a plan to ruin the Royal party it is Chorlton who turns up just in time to save the day.

Everyone is enjoying the nice sunny weather - except Fenella the witch of course. So she gets a three part spell from her spell-book to unleash first freezing winds, darkness then rain upon Wheelie World. What can Chorlton do?