I finished the 2nd video. Here is what it contains:
Way around (Aka Fehler Gefunden in German Version)
Flying Swords
Extra Mobs/Animals
Nature's Call
Gothic 2 Flaming Armor and Flaming Claw of Beliar
Unfinished Female Dragonslayer Armor
In Extremo 2
The Nude Sketch
Golems and Water
Fun with Nadja
Graven Messages from the Designers
Undead Mud
The Tablet in the Dungeon
Cave of the Dead
The Orclands are fake
Orcs never Flee!
Secret Message in the New Camp
Diego's Nostalgia
Ur Shak
Stunt Bonus
Gothic 2 Car
A message to Fans
Xardas' Disappointment
Sea Monsters
Here's the link. If I missed some, let me know.
http://www.youtube.com/watch?v=4zQQCkL2_JQ