A few preview clips of Shrek 4, aka Shrek Forever After are now available:
Shrek 4 - Waffles in the forest
Shrek 4 - Welcome to the resistance
Shrek 4 - Enter Fiona
Shrek 4 - Pipe player
Shrek 4 - What happened to you?
Puss in Boots may well steal the show in Shrek 4!