With a flu epidemic running rife, three new bumbling recruits are assigned to Inspector Mills police station. With help from Special Constable Gorse, they manage to totally wreck the operations of the police force and let plenty of criminals get away, even before they arrive at the station. They all have to prove themselves or else they'll be out of a job and Sergeant Wilkins will be transferred. Sub-plots include romances between Wilkins and Moon, Constable and Passworthy.

Set in Haven Hospital where a certain men's ward is causing more havoc than the whole hospital put together. The formidable Matron's debut gives the patients a chill every time she walks past, with only Reckitt standing up to her. There's a colonel who is a constant nuisance, a bumbling nurse, a romance between Ted York and Nurse Denton, and Bell who wants his bunion removed straight away, so after drinking alcohol, the men decide to remove the bunion themselves!

Sergeant Grimshaw wants to retire in the flush of success by winning the Star Squad prize with his very last platoon of newly called-up National Servicemen. But what a motley bunch they turn out to be, and it's up to Grimshaw to put the no-hopers through their paces.

Pupils run amock at Maudin Street School in an attempt to hang on to their headmaster. He has applied for a new job, but the students like him and don't want to lose him. They concoct a plan - blacken his record in front of the Ministry Inspector and then he won't ever be able to get another job!

Speedee Taxis is a great success, which means its workaholic owner Charlie starts neglecting Peggy, his wife. Suddenly a fleet of rival taxis appears from nowhere and start pinching all the fares. The rivals are Glamcabs, and they have a secret weapon. All their drivers are very attractive women! Who's behind Glamcabs? It's open warfare and only one fleet can survive!

Captain Crowther's lot is not a happy one! Five of his crew have to be replaced and at such short notice before the voyage begins there isn't much to choose from. Not only does he get the five most incompetent shipmates ever to sail the seven seas, but the passengers turn out to be a rather strange bunch too. The SS Happy Wanderer will never be the same.

The attack by British midget submarines on the German battleship "Tirpitz" in a Norwegian fjord during the Second World War.