Who is raiding the kitchen cupboards every night, making off with biscuits, sweets and chocolates galore? Gerty is the initial suspect but she blames a kindly but greedy monster.
Fiona is overjoyed to be in the school's fashion parade but disaster strikes as she twists her ankle. One of Dr Dog's old inventions, a pair of self-walking shoes seems to do the trick... until one of our hero's patients turns up.