Gary swaps the tank for a Green Goddess as the army covers a firefighters' strike; the boys prepare for their first fire, but when it finally comes, their people skills face the ultimate test.
Gary goes to St Andrews for a debate against a formidable opponent. He has been briefed on what to say, but when he takes the stage Gary surprises everyone, including himself.
Gary complicates a training exercise by agreeing to pick up a cooker for his Dad. Collecting the cooker with a tank is one thing, but hiding it from Sergeant Thomson is quite another.