WWE vs. The Invasion-There's a lot of things that went wrong with this one, but for me the worst things about it were all involving Vince. It was pretty much Vince living out his victim fantasies and feeding his ego in front of the world, because you know there were times Vince thought that WCW and maybe even ECW only existed to ruin him. Plus, it tried (and of course, failed) to make Vince sympathetic, which, when you remember his Mr. McMahon character, plus macking on younger women, and many other things, that it's impossible to sympathize with both the character and the man himself.
No Limit Soldiers vs. West Texas Rednecks-This shows you how clueless WCW really was when it came to what the fans wanted in it's late days. What blows me away is that WCW really thought people still gave a shit about Master P, and that his brother or whatever was really worth signing as a wrestler.
Hogan vs. Warrior, feud #2-The Warrior in the mirror that Bischoff can't see, the homoerotic bits with Ed Leslie, Long winded promos, and one of the worst matches in Hogan's career. There really isn't anything else that can be said.
Marc Mero vs. Sable-The feud that pretty much destroyed Mero's career, and features one of my least favorite divas of all time. Say what you will about Torrie Wilson, but she's Malenko in the ring copared to the former Mrs. Mero.
ECW vs. The Network-If you ask me, one of the main reasons bringing back ECW is a bad idea is because in it's last years, it's best years (95-97) were obviously behind them. This feud IMO, is the real beginning of the end. At least Cyrus was entertaining on the mic.
Vince McMahon vs. Shawn Michaels-A feud with no real explanation. Why was it that Vince wanted Shawn to go back to his old ways? Why do we suddenly need the kiss my ass club to return? Why are we watching this bullshit?
Triple H vs. Chris Jericho-This one pretty much destroyed Jericho's credibility, and gave birth to my annoyance of Trips. (I never really hated him.)
More to come. Also, I'll take anyones suggestions.