'Pirates 3' Runs Aground in Shallow Waters

Geoffrey Rush, Keira Knightley, and Johnny Depp star in "Pirates of the Caribbean: At World's End"

Geoffrey Rush, Keira Knightley, and Johnny Depp star in "Pirates of the Caribbean : At World’s End"

Sao Feng (Chow Yun-Fat) negotiates with Captain Barbossa (Rush) and Captain Jack Sparrow (Depp).

Sao Feng (Chow Yun-Fat) negotiates with Captain Barbossa (Rush) and Captain Jack Sparrow (Depp).

Pirates peering off the bow...or is that the stern...

Pirates peering off the bow...or is that the stern...

Pirates conversing. There is a lot of this in the film.

Pirates conversing. There is a lot of this in the film.

Depp's Jack Sparrow is as comfortable as old jeans.

Depp’s Jack Sparrow is as comfortable as old jeans.

One of a great many pirate meetings.

One of a great many pirate meetings.

Geoffrey Rush's Barbossa makes a welcome return.

Geoffrey Rush’s Barbossa makes a welcome return.

Yeah, it's a joke about that.

Yeah, it’s a joke about that.

ILM's effects for the film are stunning.

ILM’s effects for the film are stunning.

Captain Jack Sparrow is still not well-liked by other pirates.

Captain Jack Sparrow is still not well-liked by other pirates.

Bill Nighy as Davy Jones and his army of aqua-pirates.

Bill Nighy as Davy Jones and his army of aqua-pirates.