Part 6 of 6 and the final part of this 1990's kids' classic. Billy finds himself in the TV set playing Thunderbolt Thorpe in the World Snooker Championships, but things start to go dangerously out of control. And Billy is even more concerned when sister Linda voices her own misgivings about Alphonso Bonzo when she comes home early from the disco and mentions how Alphonso wished to be her brother. But Billy has made a fatal error in forgetting to turn off the TV set, and before he knows it he has put himself and his family in real peril to the sinister powers of Alphonso Bonzo. Starring Scott Riley, Alex Jennings, Susan Porrett, Brian Hall, Fleur Taylor, Mike Walling, Colin Fay, Rob Curling, Raymond Butcher, Andrew Fraser, Bina Masad, Lisa O' Connell and Donald Standen. The final part of Andrew Davies' children's fantasy drama, which reveals it's dark undertones as it finally becomes clear Alphonso Bonzo's agenda. Even if you didn't remember much of this, one thing that did is it's memorable climax. By the way, keep watching for the credits: the snooker shots played by Billy Webb was supervised by none other than a young Ronnie O'Sullivan!