Update 4/8/16: I Need Your Help for 2000 Videos!
If you remember any memorable parts from this list of playthroughs:
Pokemon Green (Episode 11 on)
Quest 64 (Episode 21 on)
Fire Emblem 6 (Episode 16 on)
SGS Season 2 (Episode 4 and on)
N+
Conker's Bad Fur Day
Pokemon Red Mystery Dungeon
Amnesia
Anime Talkshow and Fillertorials
Simuween 1 and 2
Any Twitch Stream I've Uploaded
Phoenix Wright Justice For All
Mystical Ninja Starring Goemon
Skyrim
Kirby 64 The Crystal Shards
Tales of Graces F
Metroid Other M
Ghoul School
Pokemon Pearl Version
Super Mario Sunshine
Yu-Gi-Oh Eternal Duelist Soul
Borderlands Co-Op Stream
100% Expert Bullshit Marc's Campaign
Oracle of Ages Streamplay
Random Gameplay Moments such as:
Zuper's awful password from OJ
Pokemon Stadium Minigame Hell
Zuper trying to teach me Duel Monsters
Random Smash streams (mostly 4)
Mario Party 10 Racist Episode
Jeopardy with Dalton
Moemon Birthday Bonus
The 3 year special
Playing Morph with Dalton
And pretty much everything after the date of April 27th, 2014.
Hope this helps, and I'll put down some of my own moments I remember in the comments too! A collective effort, so to speak!