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...

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 most important item in the infantryman's equipment is his feet, and Captain Mainwaring is determined that all of his men will be well shod with hardy, battle-worthy feet. To this end, he starts a foot-hardening programme.

The platoon have moved to a new H.Q's position on the beach When Pike fails to turn up they find him caught up in the barbed wire at the waters edge With the tide coming in Mainwaring and Wilson mount a rescue mission but someone else gets there first

The platoon guard some Italian P.O.W's then suspicion falls on Walker that he may be helping them to escape. Mainwaring then sets a trap with a surprising outcome

In Capt Mainwaring's absence Wilson organizes a darts match against the ARP in the local pub When Mainwaring returns unexpectedly they have trouble getting the men back on parade

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

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?

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.

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

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