5 Doctors Anniversary Edition is released today; extras are
Slipcase Packaging
(what the hell is slipcase packaging?)
Commentary on TV version by Carole Ann Ford (Susan), Nicholas Courtney (The Brigadier), Elisabeth Sladen (Sarah Jane) and Mark Strickson (Turlough)
Commentary on Special Edition by Peter Davison (The Docgor) and Terrance Dicks (Writer)
Celebration - a look back at Doctor Who's 20th Anniversary celebrations in 1983
The Ties That Bind Us - documentary examining the links to the show's past and future in The Five Doctors
Five Doctors, One Studio - a studio recording of the only occasion when all of the Doctors were together on set
Out-takes - bloopers and gaffes from the making of the story
(Not So) Special Effects - a look at a typical day's work for the visual FX crew on Doctor Who
Publicity Clips - the actors publicise The Five Doctors on Saturday Superstore, Blue Peter, Nationwide and Breakfast Time
Trails and Continuities - BBC1 trailers and continuity announcements from the story's original transmission
Isolated Music - the score for both versions is available on a separate music track
Radio Times Billings (DVD-ROM PC/Mac)
Photo Gallery
Coming Soon Trailer
Extra-Special Hidden Feature
Even though I had to search high and low for the original release I think I'll grab a copy
http://www.ezydvd.com.au/item.zml/799091