Traction Man Meets Turbodog

And so is Scrubbing Brush, his brave and rather bedraggled pet. But one night Scrubbing Brush myseriously vanishes and in his place is the utterly hygenic Turbodog, in indestructible Purple Plastic with Flashing Eyes, Electronic Bark and three AA batteries. But it's not the same without Scrubbing Brush. Can he save Scrubbing Brush from?