Trainee manager Mr Christian joins Tripper's team, and the duo must deal with a mysterious customer who eats, drinks and sleeps in the store.
It's German week at the store, bringing the stereotypes to the surface. Alf turns sixty and Tripper decides Alf should retire. Meanwhile, Tripper sets a trap to capture a blackmailer.
Tripper arranges a bingo game, with the winner getting to do a free shop. A young boy, dressed as a cowboy, loses his mother in the store.
Tripper drives for more efficiency, taking advice from the staff, an unwise move. A leak in the stockroom causes further problems.
The burglar alarm keeps going off randomly while Tripper welcomes the millionth customer.
A VAT audit is due and Tripper must prepare his accounts, and he has to hide the purchase of water bath. The audit is cut short due to a bomb.