Audio problem: In the scene when Robin Williams is giving the speech at the presentation for Wendy, when the shot changes to show Wendy and Moira, Robin's voice changes to a voice over, and then back to normal when he is shown again. (00:19:00)
Audio problem: When Rufio withdraws his sword from the leather pouch he has tied around his leg (as he brings it out to brandish against Peter) it makes the sound of metal being withdrawn from a metal sheath, but the pouch is leather and couldn't allow the sword to make that sound effect. (00:54:40)
Answer: 1) Though it is never fully explained, the mystical way Peter Pan would come and go from Never land. 2) It was Smee who was doing the spying. When Hook asked Smee, "This can't be my great and worthy foe?" Smee replied, "I have all the information here." He had a file of paper work on Peter. 3) Hook knew where the Lost Boys were, When Peter asked, what happened to the Never Tree. Tinkerbell said, "Hook burned it when you didn't come back." He considered the Lost Boys not worth the effort. It was Peter, he wanted.