Within These WallsSeries 1Season 1 · 1974 · 13 episodesEpisodes1Cause for Concern2Lesson Number One3The Walls Came Tumbling Down4In Her Own Right5Prisoner by Marriage6The Group7One Step Forward, Two Steps Back8Failing to Report9Tea on St. Pancras Station10Guessing Game11When the Bough Breaks12Labour of Love13A Sense of DutySeason 2Season 3Season 4Season 5