Nice gift for a couch potato

• Music fan's purchase, perhaps
• Garbage collection, maybe?
• Complete-series DVD buy
• Band's career retrospective collection, often: 2 wds
• Police collection, say?
• "Best of" collection, often
• Music buyer's option
• "Complete series" DVD purchase, say

Wiktionary Word definitions in Wiktionary
n. (alternative form of box set English)