《男人之苦》第14集，寅次郎（渥美清飾）未婚產子？背著BB回到了東京柴又老家？正當大家決定替寅把寶寶撫養成人之際，才得知這是寅在路上拾回來的棄嬰！寅不是生父，也當然不盡父職，終日百無聊賴，寶寶的事全拜託嬸嬸和妹妹阿櫻……直至美女護士京子（十朱幸代飾）的出現，他才積極表現父愛，還打算參加京子的工餘合唱團，以親近對方。誰知寅就在這兒遇上情敵！那滿面鬍鬚的窮光蛋指揮，原來才是京子的最愛！
　　The fourteenth instalment in the Tora-san series. Tora-san has an illegitimate child? To everyone is surprise, he brought a child back to Shibamata. When everyone in his family decides to raise the child as a family member, they find that he was only an abandoned child that Tora-san found on the street! At first, Tora-san has no interest in taking care of the child and he lets his auntie and s...