The episode -- which focused on the couple's impending divorce -- was the highest-rated show ever for a Discovery Networks channel.
The show blitzed all records for virtually all demographics -- most viewers, 10.6 million; adult 18-49 ratings, a 5.7; women 18-49, an 8.1; adults 18-34, a 6.5; men 18-34, a 3.7; and women 18-34, a 9.3.
Previously, "Jon & Kate" earned 9.8 million viewers for its season five premiere episode, which ran at the end of May.
TLC used the big 9 p.m. episode -- marketed for weeks in many consumer and business entertainment trade magazines -- as well as with TLC's own promos -- to launch a new show at 10 p.m., "Cake Boss." It scored 4.5 million viewers, a bit less than half of the big "Jon and Kate" episode.
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As a comparison, TLC said "Cake" outperformed every single program on the Food Network among key demos for ratings and delivery since 2000.
For weeks, it has been rumored that Jon & Kate Gosselin -- who have eight children, a set of sextuplets and a set of twins -- would be filing for divorce. That was confirmed in the Monday night episode.
The couple and TLC said the show would continue after a break. Next week's show will be a retrospective of the couples' decade-long marriage. The show will return August 3.
Hats off to TLC for letting us see this Hindenburg of family life crash & burn. I always felt badly for the poor sap of a father. From the show's first episode he looked dazed, like he couldn't believe what he had gotten himself into. Saddled with 8 kids at the age of 30 and the only way to afford this predicament was to sign his famiy's life over to TLC.