I'm not too sure when they were changed but the first cases has a thin cardboard sleeve which is the part thats falling apart the most.
The later seasons have a thicker, stronger sleeve.
Count me in for a replacement Season 1 case too.
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"Want to hold up a bank in Latin?
"Catapultam habeo. Nisi pecuniam omnem mihi dabis, ad caput tuum saxum immane mittam."
(I have a catapult. Give me all the money, or I will fling an enormous rock at your head.)
My DVD List