A German pilot has baled out and is caught hanging by his parachute on the clock tower The platoon climb up to rescue him but get trapped themselves

The pumping station of the reservoir has been damaged by a bomb with Walker and Godfrey trapped inside. Hodges is determined to overrule Mainwaring's rescue attempt until it's discovered the structure of the building is very unsafe and they draw lots to decide who is going to be the ones to dig the stranded men out. After successfully reaching Walker and Godfrey, the roof caves in and everyone but Jones ends up trapped in the underground bunker that is now filling rapidly with water. But does Godfrey have a solution that is more useful than asking to be relieved?

The Colonel orders Mainwaring and the platoon to make a training film with a couple of well known actors but unknown to Mainwaring they are to play the Germans Mainwaring refuses to take part but the rest of the platoon are ordered to When the filming is cancelled Mainwaring and the men still dressed as German soldiers are spotted in the local pub and the alarm is given

Captain Mainwaring decides to enlist women to the platoon to assist with the war effort. After initial interviews go rather less than satisfactory, a Mrs. Fiona Grey walks into his office and into his life. Mainwaring is flattered that Fiona not only has similar views to him about the war, but also is complementary about his persona. He finds himself falling in love, unfortunately the men very quickly realise and start to gossip behind his back and Fiona decides to leave, but can Mainwaring get to the station in time to stop her?

While the platoon are at a training camp Mainwaring gets drunk with the other officers during the night and misses the live grenade training the following morning. Later during the training one of the grenades lands in Jones van and Mainwaring rides to the rescue

When the church bells start to ring the platoon leap into action Jones takes half the platoon to Godfrey's cottage to set up a machine gun post While Wilson not knowing where Jones has gone also heads for the cottage where they both mistake each other for German's and prepare to attack

During home guard maneuvers LCpl Jones disguised as a log and helped by Frazer in a diving suit floats down the river in order to attack the Eastgate platoons headquarters

The platoon are manning the local lighthouse and they accidently switch on the light and can't find a way to switch it off During an upcoming air raid they must a way to cover up the glare

LCpl Jones goes to a reunion of his old regiment While he is away an old comrade that fought in the same battle joins the platoon and accuses Jones of cowardice On his return Jones has to tell the real story

Vanity swoops through the platoon after Parliament decide that Home Guard members who are not fit for battle must be reassigned to the A.R.P. and A.R.P wardens that are fit should be reassigned to the Home Guard. The platoon obviously don't want this to happen so resort to some rather shocking measures to fool the Area Commander into believing they are suitable to stay where they are.

Lance Corporal Jones has mislaid £500 that has been collected by the merchants to build a center for the local people Frazer hypnotizes Jones and after a long search the money finally turns up.

Godfrey's cottage is due to be demolished to make way for a new airfield but no-one can bring themselves to break the news to him until Jones finds out that he already knows. In the end Frazer, knowing the family history of the General in charge, bribes him to get the airfield moved 200 yards. This results in some rather amusing consequences. The door to Mainwaring's bank office is replaced with a paper door, apart from the insult of not having a proper door Mainwaring is even more annoyed at the fact that Pike the Colonel and Jones manage to destroy it within minutes of it being installed.

Capt Mainwaring promotes Frazer to Lance Corporal thus causing friction between him and Jones When Frazer starts getting above himself Mainwaring cancels the promotion

Mainwaring watches a film reel at the cinema which shows Winston Churchill inspecting Army troops and their mascot - a ram, of course where Mainwaring's concerned - if another platoon has a mascot, so must his. Sponge volunteers one from his farm but they have to catch it first, something that of course ends in complete disaster with Pike up to his neck in it - literally. Meanwhile the town parade is being organised and of course Mainwaring wants the platoon to lead, but Hodges has other ideas...

In a cricket Match between the platoon and the air raid wardens, Chief Warden Hodges has a secret weapon up his sleeve. He plans to use England's fast bowler Fred Trueman, but all does not go as planed.

Sgt Wilson becomes a manager of his own branch and gets a commission on the same day but hours later his new branch has been destroyed during an air raid Mainwaring offers him his old job back and his old rank.

While Capt mainwaring holds a party at his house for the platoon the bank is hit by a German bomb After guarding the money all night he has to find a way to transport the money to the Eastgate Branch for safety

Cpl Jones has problems with his bank account. When Mainwaring tries to help, he finds that the trail leads through the platoon, on to Mrs Pike, and ends with Mr Hodges.

When the A.R.P. Headquarters has been destroyed Hodges and the wardens move into Mainwarings Office and the two of them start arguing over space Later the chimney catches fire and they have to work together to put the fire out

During the journey home after a night at the cinema Mainwaring comes to the assistance of the clippie after Hodges makes fun of her Later Mainwaring dreams of being Napoleon with the clippie as Josephine

The platoon practice house clearing by using the office and the Vicar and Hodges get caught up in the action Later during a live firing exercise the platoon are sent to the wrong map reference When Jones discovers the mistake he drives to rescue

The platoon are given a lecture on the German Army but because Frazer keeps on complaining Mainwaring makes him acting C.O. of the platoon Later when the colonel asks the platoon to attend a dinner Mainwaring has to play the bagpipes

Godfrey asks for a holiday from the platoon in order to help an old girlfriend who runs a farm to bring in the harvest As it's important work Mainwaring brings all the platoon to help

Captain Mainwaring gives a lecture on field craft in the vicar's garden, covering what to eat and how to erect a tent. Later, apart from having to put with the vicar, verger, Hodges and a gang of boy scouts, their field maneuvers are also interupted by three German fliers who have been shot down and are trapped in their dinghy in the middle of the lake... ""Handi hoch! Handi hoch!""

Walker is finally called up but Mainwaring tries to get his call up differed because of his value to the platoon but he is still ordered to go only to find out that he is allergic to the army's corned beef.