Visit the Official Site

Commentary:
To see Rob Grant, Doug Naylor and Ed Bye talking about the episode Dimension Jump, do the following:
Insert the bonus disc
Navigate to the Bonus Material
There are two Bonus Material menus - it is easier to access this feature from the plain text menu.
Using your remote, hit DOWN until the paddle used in Meltdown is highlighted and hit ENTER.
The short feature will now play.