The final part of don Camillo's Establishing Character Moment. He had been ringing the church's bells to drown out Peppone's speech for the victory in the elections, when the communists abandon the area around the stage he grabs a rifle believing they're about to storm the church (and they were in fact discussing just that right before someone told something to Peppone and they moved out)... Then he learns they had all ditched the victory speech and all that because Peppone's wife had just given birth to their youngest son, and he rings the bells to celebrate.
Peppone's youngest being named Libero Antonio Lenin Camillo. That, and how it came up: Peppone initially wanted to name him Libero Antonio Lenin (a very leftist name that gets Lost in Translation: aside from the obvious, Libero ("the free (one)") is the quintessential anarchist name, and Antonio is in honour of Antonio Gramsci, founder of the Italian Communist Party), after a fistfight with don Camillo he agrees to exchange Lenin for the priest's name, and don Camillo, who had initially refused to baptize the child unless the "Lenin" was dropped, suggests the final name.
At one point there's a strike of agricoltural work. The pickets from the communists stops the strike breakers from working, be it cultivating a field, squeeze the already harvested grapes, or feeding and milking the cows and helping one of them give birth. Upon hearing the last, don Camillo sneaks through the pickets to save the calf and the mother... And Peppone, upon catching him in the act, doesn't stop him, but helps him with the calf. Then, as they're already there, they feed and milk all the cows.
Before dying, Cristina, the old town schoolmarm and a royalist, asks Peppone and don Camillo to put the royalist flag on her casket at the funeral. Given the delicate situation, the thing goes to the town council, where the representatives of the parties allied to the communists refuse, citing political reasons, to don Camillo's (who is there as a witness) increasing anger. Before commenting, don Camillo asks Peppone to say something so he'll have the time to compose himself and not beat them all up, at which point Peppone declares that while as a mayor he has to abide to his allies' will, the communists are in charge in Brescello, and as their leader he will give Cristina that flag on the casket, and that if someone objects he'll make them fly out the window. Don Camillo's comment? A grin and a rather happy "I yield to violence".
Then we have the funeral, with Peppone among the pallbearers (wearing a red scarf, of course), the cask having the monarchist flag on it, and the narrator commenting these are "Things that happen in that country, where the sun strikes like a hammer, where people often talk with their fists, but at least the dead are respected."
Don Camillo and Peppone stopping Gina and Mariolino from committing suicide. Then their families are about to resume their feud... Cue a furious don Camillo announcing the two lovers will be married by the friggin' bishop (who's about to visit), so nobody will dare to get between them, and the family patriarchs have to solve their feud then and there with a fistfight.
The bishop is coming for the opening of don Camillo's garden city. But that way it would look like don Camillo solved everything with the two lovers by himself, Peppone can't get in by opening the house of the people as it will take another two weeks... So don Camillo postpones the opening of the garden city by two weeks. In a discussion during which Peppone and don Camillo call each other an ass (Peppone) and an ox (don Camillo), concluding that "Beasts always find a compromise with each other". Then Peppone ruined it trying to get the bishop to come to the house of the people so it would be opened first...
The feast the day of the opening. For a day, no political parties, just good people having a good time. At least 'till people got drunk...
When don Camillo gets transferred for taking part in the fistfight at the feast, Peppone threatens the local Catholics with a beating if he sees them in town to send him off... So they send him off at the next station, giving him a lot of gifts after avoiding Peppone's picket at the previous one. Then the train leaves... And Peppone and his comrades show up at the last station in Brescello's territory to send him off, with Peppone giving him a drawing from his son Marco, wishing him to come back soon and promising he'd deal with his replacement so the bishop would have no choice but transferring don Camillo back.
The end of the third movie. Peppone, freshly elected the Italian equivalent of Member of Parliament, has to step down as a mayor, and is leaving for Rome. Everybody (minus Don Camillo) sees him off at the station with sad faces, and you can tell Peppone misses his native land before he even leaves it. When the train stops at the next station, Don Camillo is on the quay to say goodbye, pointing out that Peppone did the same for him when he "went into exile". Then he gives Peppone a sharp You Can't Go Home Again speech (at the end of which both men have tears in their eyes), ending with "Goodbye, Peppone. No, adieu, Mr. Deputy." The train departs, leaving Don Camillo alone on the quay looking angry and sad... And the heartwarming part is when he sees Peppone, with his suitcase, having got off the train at the last moment and ready to go back to their town as its mayor. Then they race their way back to Brescello on bicycles, with the narrator remarking that, when one couldn't catch up, the other would slow down.
At the end of the following movie, Don Camillo, now a bishop in Rome and somewhat out of his element, has to go back home; at the end of his "holidays" he asks Peppone to sabotage his secretary's car so that he can stay in Brescello some more time (and keep an eye on Peppone, who came back home from Rome, as well). To his disappointment, the car works like a charm next day, but on the way he finds Peppone asking for a ride to the nearest train station, since he's going back to Rome too; Peppone says that he couldn't leave him alone there (also, who knows what Don Camillo would have been up to!). Before parting ways Peppone gives Don Camillo a business card with his address in Rome and his telephone number, saying he only has to call, while Don Camillo in return gives Peppone a small icon of Christ and tells him that, anytime he'll want to be received by him in Rome, he won't have to call.