The Christmas specials from both 1983 and 1985 in which the vets come home from the war to a land and a lifestyle about to change forever. James (Christopher Timothy)'s return to domestic life doesn't run too smoothly, as unable to open up to Helen (Carol Drinkwater) about his feelings, he ends up taking his anger out on Jimmy (Oliver Wilson).
Run time 180 minutes according to Amazon.
Very good prices on series 3 and 4 at selectcheaper at the moment.
Series 3 is £6.80 and series 4 is £6.52
If this runs out of stock I'd recommend keeping an eye on the link anyway.
I ordered series 4 from SelectCheaper about 3 weeks ago and it's now back in stock at the same price.