Formally speaking, it's the Indiana Jones Quadrilogy. Sounds odd. I always just thought of them as The Indiana Jones Films, no need to be specific in the count.
Either way, the special features for the bonus disc to be included in the set have passed through the BBFC. Here's their listing, complete with run times. In total, this little lot comes to five hours, six minutes and seven seconds.
|00:50:47:00||(THE MAKING OF RAIDERS OF THE LOST ARK)|
|00:41:05:00||(THE MAKING OF INDIANA JONES AND THE TEMPLE OF DOOM)|
|00:34:59:00||(THE MAKING OF INDIANA JONES AND THE LAST CRUSADE)|
|00:10:53:00||THE STUNTS OF INDIANA JONES|
|00:13:17:00||THE SOUND OF INDIANA JONES|
|00:12:19:00||THE MUSIC OF INDIANA JONES|
|00:12:17:00||THE LIGHT AND MAGIC OF INDIANA JONES|
|00:12:42:00||ADVENTURES IN POST-PRODUCTION|
|00:22:40:00||THE EFFECTS OF INDY|
|00:09:22:00||INDY'S WOMEN: THE AMERICAN FILM INSTITUTE TRIBUTE|
|00:08:12:00||RAIDERS: THE MELTING FACE!|
|00:10:09:00||INDY'S FRIENDS AND ENEMIES|
|00:58:08:00||THE MAKING OF RAIDERS OF THE LOST ARK|
You can pre-order the set now. The US price tag is set at $74.96, down from $99.99, while Brits will see it priced at £43.00. Be warned that whilethe US release is set for September 18th, the UK box doesn't street until October 8th.
And here's a video of some live snakes in a box with some plastic snakes. Just for fun.