"Part Six: The Passing of an Age" (referring to the Third Age) is the second of two Appendices of the Special Extended Edition of Peter Jackson's The Lord of the Rings: The Return of the King, featured in its own disc exclusive to the edition.
It contains seven documentaries, spanning three hours, directed by Michael Pellerin, some interactive features, and a few short films.
- "Cameras In Middle-earth"
- "Weta Digital"
- "Editorial: Completing the Trilogy"
- "Music for Middle-earth"
- "The Soundscapes of Middle-earth"
- "The End of all Things"
- "The Passing of an Age"
- "Cameron Duncan: The Inspiration for Into the West" (referring to the credit-song "Into the West")
- DFK6498 and Strike Zone, short films by Cameron Duncan
- "The Mumâkil Battle" (immersive visual effects demonstration)
- Gallery of production photos