All UFC tapes are store bought masters
 I am also going to try and get the dates for the shows.

UFC 1: The beginning
UFC 3: The American Dream
UFC 4: Revenge of The Warriors
UFC 6: Clash Of The Titans
UFC 8: David vs Goliath
UFC 9: Motor City Madness
UFC 10: The Tourneyment
UFC 11: The Proving Ground
UFC 12: Judgement Day
UFC 13: The Ultimate Force
UFC 14: Showdown
UFC 15: Collision Course
UFC 18: The Road to The Heavyweight Title
UFC 19: Young Guns
UFC 20: The Battle For The Gold
UFC: Ultimate Japan
UFC: Ultimate Brazile
UFC: The Ultimate Ultimate 2