Author: Georgia Pritchett; Welsh Adaptation: Steffan Alun.

Will is a boy who worries about EVERYTHING! Now Alun, a diabolical and crazy man, has moved into the house next door, and he has a plan to destroy the world. Can will conquer his fears and save the day?

Awdur: Georgia Pritchett; Addasiad Cymraeg: Steffan Alun.

Mae Wil yn fachgen sy'n poeni am BOPETH! Nawr mae Alun, dyn gwallgof dieflig, wedi symud i mewn i'r tŷ drws nesaf ac mae ganddo gynllun i ddinistrio'r byd. A fydd Wil yn gallu trechu ei ofnau er mwyn achub y dydd?