2-Disc version:

Running Time:
186 minutes

Screen Format:
2.35:1 Anamorphic

Discs / Sides / Layers:
2 / 1 / Dual

Soundtracks:
English Dolby Digital 5.1 EX
English 2.0 Surround
English 6.1 DTS ES

Special Features:
Director's Commentary
Cast & Crew Commentary
Historical Commentary
Behind The Scenes Mode
Music Video
Alternate Ending
==========================
3-Disc version

Running Time:
194 minutes

Screen Format:
2.35:1 Anamorphic

Discs / Sides / Layers:
3 / 1 / Dual

Soundtracks: (may depend on region)
English Dolby Digital 5.1 EX
English 2.0 Surround
French 2.0 Surround
Spanish 2.0 Surround
English 6.1 DTS ES

Special Features:
Director's Commentary
Cast & Crew Commentary
Historical Commentary
Behind The Scenes Mode
Music Video
Alternate Ending
Deleted Scenes
Fox Special: Breaking New Ground
Electronic Press Kit
Concept Posters and One Sheets
1912 Newsreel
Construction Timelapse
Deep Dive Presentation
Titanic Crew Video
Titanic Ship's Tour
Videomatics
Visual Effects
Still Galleries
DVD Credits
=========================
4-Disc version

3-Disc Version plus
"The Heart of the Ocean": HBO's First Look TV special takes a look at TITANIC" before it became the box-office juggernaut that we know today

Three "TITANIC" Parodies: watch the biggest film of all-time is spoofed in these three pieces

Trailers: a selection of trailers, including some never-before-aired or shown