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Pilgrim's Progress
Harold takes Albert on a trip to France to see the battlefields of the First World War. But as soon as the plane has takes off, he starts arguing with an American passenger about their involvement in the conflict.
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Other episodes for this season
![And Afterwards At](https://image.tmdb.org/t/p/w300/qyCkrSOUySSXFb03KBhRQXIqc4B.jpg)
![Crossed Swords](https://image.tmdb.org/t/p/w300/2WZsahehPbYBkxaOu9ERjdh2s3B.jpg)
![Those Magnificent Men and Their Heating Machines](https://image.tmdb.org/t/p/w300/lQqRk3KW0k11gckzCMGAAvJPnq6.jpg)
![The Siege of Steptoe Street](https://image.tmdb.org/t/p/w300/jN2dXQ8zNlxfaQSDGbX9DtA3ofc.jpg)
![A Box in Town](https://image.tmdb.org/t/p/w300/9coFvoWrVkprSHp15Ieey2jpKOP.jpg)
![My Old Man's a Tory](https://image.tmdb.org/t/p/w300/wCI7tLrSpA6bOSwIPt19DGN21ap.jpg)
![Pilgrim's Progress](https://image.tmdb.org/t/p/w300/uV98NNHDfGhjVA7fkYBvVcbmBde.jpg)