Originally Posted by
Jason
In 3.5 summoned monsters do not provide XP, and when they're killed they return to the plane they were summoned from, so they leave no remains to animate.
I suppose Redcloak could have killed the goblins that were with them, reanimated them as undead, and then killed the undead for XP, but its questionable whether you can gain XP for destroying undead you created that are under your control.