Samwise Gamgee journeys to the Undying Lands after The Lord of the Rings, and there's a specific exception that allows him to ...

Frodo and Sam both travel to the Undying Lands after The Lord of the Rings, but there’s a reason Merry and Pippin don’t join ...

Jackson leaves in the hints of the providential design: Gandalf’s suspicion that Gollum would have some part to play in the Ring’s destruction, Frodo’s pity on the creature (until the end), etc.