After its initial appearance as a full-length movie, Ben 10: Secret of the Omnitrix (2007) was divided (per its design) into a three-part story inserted before "Goodbye and Good Riddance," the last episode of the initial Ben 10 series.
The first Ben 10 TV-Movie to be released in 2007. The second being the first live-action iteration of Ben 10: "Ben 10: Race Against Time".
This movie marks Azmuth's first appearance.
This marks the first appearance of the Omnitrix alien Way Big.