Go to Deleted Scenes, then the Scene Selection menu. Go all the way down to 29. Extended Carpathia Sequence, then hit the down arrow button to highlight the couple towards the lower left of the screen. You'll get the SNL skit featuring Bill Paxton and Jim Cameron.
Go to the Marketing menu and highlight and click on the newspaper at the lower right corner. You can also hit "5" and enter. You'll get a skit featuring Ben Stiller, Vince Vaughn, and James Cameron.
Another one is found in the Special Features men. Go to Still Galleries and hit enter. Then go to Production Artwork, then View Entire Gallery, and hit the arrow up button. The big arrow in the middle of the screen highlight and you get the Titanic spoof in 30 seconds re-enacted by bunnies.
Reviews: DVD Talk also has a review of
Titanic: Special Edition by DVD Savant.