Herr Flick is in the dungeon, but there are plans afoot from several sources to spring him - although not necessarily leave him a free man. The Resistance manage to be first on the scene and effect a prisoner swap.

• Alternative title: "The Rescue of Frau Kinkenrotten"

René is rescued from the dungeon, and is tasked with photographing invasion plans, hidden in a safe in the chateau.

• Note: Rose Hill (Fanny La Fan), John D. Collins (Fairfax) and Nicholas Frankau (Carstairs), London Calling and Voice of 'Gibson' are credited in the end credits, even though they do not appear in the episode.
• Alternative title: "Eyes of the Potato"

Smoke bombs will provide a diversionary tactic to distract Gruber so René can photograph the invasion plans, but they end up being sent down the wrong chimney. Helga and Von Klinkerhoffen dine together, while the Gestapo infiltrate as a musical interlude to gain intelligence on plans to assassinate Hitler.

• Note: In this episode, when being hypnotised, Von Smallhausen gives his full name as "Bobby Cedric von Smallhausen", although in "Herr Flick's Revenge", he gives his first name as "Englebert".
• Alternative title: "Criminal Developments"

Everyone gets a surprise when the safe is blown up by LeClerc. As everyone flees the chateau, René and LeClerc - disguised as German soldiers - are captured by the Communist Resistance.

• Note: In this episode, Rose Hill is once again credited without appearing and Kirsten Cooke (Michelle) is credited as the second person to appear on screen, even though it is actually Jack Haig (LeClerc) who does so.
• Note: As the general threatens Gruber with being sent to the Russian front, he says "you could find yourself in Vladivostok by the end of the week". This is either a joke or a lapsus on the creators' part, since Vladivostok is on the Russian east coast, which the Germans were never even close to reaching during the entire war.
• Note: This episode features the first appearances of Moira Foot as Denise Laroque, and of Carole Ashby as Louise.
• Alternative title: "Return of the Paintings"

René and LeClerc are still being held at the sawmill by the Communist Resistance. Their leader announces she and René are to be married very soon.

• Note: In this episode, one of the communist resistance girls is played by Phoebe Scholfield, who has earlier played Henriette, one of Michelle's resistance girls.
• Alternative title: "Enter Denise"

It's the day of René and Denise's wedding - except the Gaullist Resistance and the cafe staff have plans in place to ensure the two are not betrothed.

• Note: Once again, the airmen actors are credited without appearing in the episode.
• Note: Kim Hartman (Helga) is credited as number four, even though she is the ninth person to appear in frame.
• Alternative title: "Wedding Plans"

In the fallout from their wedding day, René tries to hide from Denise and her plans for revenge, but the people of Nouvion are not as accommodating as René would like. A ticking package is delivered to the cafe by a clock repair man (John Rutland).

• Note: When the people in the café are about to share the wine, the acid spot on the table can be seen even before the wine has been poured.
• Note: Richard Gibson and John Louis Mansi are credited in the opposite order that they appear in the episode.
• Note: Crabtree's talk with the British airmen is one of the few occasions that he speaks English in the series.
• Alternative title: "Post-Matrimonial Depression"

A conference is planned by the occupying forces, where the invasion of England is likely to be under discussion. Michelle orders René to provide the catering while gathering information on the plans, with the resulting intelligence to be sent to England via a duck.

• Alternative title: "The Long Distance Duck"

The conference goes ahead, despite the duck escaping and being shot down. A serving of peppermints provides the necessary diversion for René to photograph the invasion plans.

• Note: This episode marks the first appearance of Ken Morley as general Leopold Von Flockenstuffen.
• Alternative title: "The Generals Conference"

In the aftermath of the conference, René is on the General's hit list following the incident with the peppermints.

• Alternative title: "Michelle's Secret Love"

The cafe finds itself the location of a meeting between a group of German Generals, disguised as French onion-sellers. It's also the scene of a meeting of more shot-down British airmen.

• Alternative title: "The British Invasion"

René is ordered to steal the paintings from the headquarters of the Communist Resistance.

• Alternative title: "Parade of Prams"

René must rob a bank to raise the ransom to pay the Communist Resistance to free Mimi, Gruber, the Colonel, and Bertorelli.

• Note: In this episode, Michelle's codename when calling London on the radio is revealed to be "Bluetit".
• Alternative title: "The Bank Job"

René and the cafe staff have money from robbing the bank, but Michelle puts a spanner in the works. Mimi manages to escape and return to Nouvion.

• Note: In this episode John D. Collins and Nicholas Frankau (the British airmen) are credited without appearing.
• Note: In this episode, Colonel Strohm's age is revealed to be 47, meaning that he must have been born in 1893 or 1894.
• Alternative title: "Communists in the Cupboard"

Everyone is trying to get their hands on the money, for a variety of reasons. The duck is ready to leave for England, but René would rather it remain with its ducklings.

• Note: In this episode, Rene's age is revealed to be 32, meaning he must have either been born in 1909 or 1910.
• Alternative title: "Forged Francs and Fishsellers"

Monsieur Alphonse has been arrested by the Gestapo after being caught passing forged banknotes. Fortunately a glimpse of Helga's stockings strains his "dicky ticker" and he's rushed to hospital. The cafe staff and the Resistance must rescue him before the Gestapo can interrogate him.

• Alternative title: "L'Hospital"

The Colonel sets up Bertorelli in an attempt to be rid of him. Michelle has another plan to help the British Airmen return home, with the help of the casing from a new type of bomb. LeClerc has yet another new disguise.

• Note: This episode features the final appearance of Moira Foot as Denise Laroque.
• Alternative title: "Feathers"

LeClerc has been arrested by the Gestapo and they threaten to shoot him if the missing money is not returned.

• Alternative title: "Leclerc Against the Wall"

The Resistance are in possession of a thousand kilograms of explosives which were originally in the bomb casings. René is charged with hiding the explosives, which will be disguised as 500 Christmas puddings.

• Note: In this episode, we once again find Phoebe Scholfield playing one of Michelle's resistance girls, after she has played a communist resistance girl a few episodes earlier.
• Alternative title: "Christmas Puddings"

The Gestapo discover the whereabouts of the landmines and decide to lie in wait in order to arrest the Resistance members collecting them.

• Note: This episode contains an anachronism. When Fanny is complaining about the British, Edith says "Mama, I always thought you voted conservative!" This episode is set sometime during the time 1941-1943 and French women were not allowed to vote until 1944 and 1945.
• Note: René tells Yvette that he is twenty years older than her.
• Note: This episode contains two people (The two German airman) in the same shot as the You have been watching (In order of appearance)
• Alternative title: "Mines Away"

René decides to elope to Switzerland with Yvette and the paintings.

• Note: The shot of the train leaving the station was taken from the 1974 film Murder on the Orient Express.
• Note: René says he is nearly twenty years older than Yvette.
• Alternative title: "All Abroad"

René's plans have gone awry, and the train is full of people after the paintings for their own ends.

• Alternative title: "The Geneva Express"

René and his staff must impersonate a musical group at the chateau. René's attempts to disguise stolen gold don't work as well as he hoped, and Crabtree gives his own unique rendition of a popular French song.

• Alternative title: "Enigma"

René and Edith are heading for the altar, while Michelle initiates Operation Waterloo, the latest plan to return the British Airmen to England.

• Alternative title: "Renewing the Vows"

René must deliver the Enigma machine to a waiting British submarine, via Nouvion's sewer system. His resurrected plan to elope with Yvette interferes with the objective of the mission.

• Note: In this episode, Richard Gibson (Otto Flick), Kim Hartman (Helga), John Louis Mansi (Von Smallhausen) and Gavin Richards (Captain Bertorelli) are credited without appearing.
• Alternative title: "The Big Flush"

Another plan to get the Enigma machine safely into the hands of British intelligence sees a plethora of disguises from the usual quarters, with varying success, as the Germans are equally determined to get their hands on it too.

• Note: In this episode, Edith's middle name is revealed to "Melba".
• Note: In this episode, Yvette's surname is revealed to be "Carte-Blanche".
• Note: In this episode, Yvette reveals she is 19, meaning she must either have been born in 1922, or 1921, as this episode was set in 1941.
• Note: In this episode, Mimi reveals she is 18, meaning she have been born in either 1922 or 1923.
• Note: In this episode, Edith "reveals" that she is nearly 27. If so, it would mean she must have been born in 1913. (On the date the episode originally aired, the actresses playing Yvette, Mimi, and Edith were 38, 31, and 66 respectively.)
• Note: This episode marks the last appearance of Jack Haig as Roger LeClerc, since Haig would die a few months later, before the beginning of series 6.
• Note: The two English agents appeared in the same end card. (You have been watching (In order of appearance)).
• Alternative title: "Enigma's End"