Jon Gosselin -- Last Moments with a D-Bag

Jon Gosselin's finally going away ... from TLC -- and in one of the last clips from the series finale of "Jon & Kate Plus 8," Jon goes out sounding like more of a tool than ever.

Jon Gosselin: Click to watch
During the show, which runs tonight at 9pm, the world's most irresponsible father of eight actually BRAGS about being able to get away from his family when the going gets tough.

Good riddance!