Nickelodeon US set some records with the debut of Big Time Rush on Monday, January 18 at 8:30 p.m., coming in as the highest-rated and most-watched live-action premiere with kids, tweens and total viewers at 6.8 million.

Also, a new ep of iCarly (‘iSaved Your Life’) that same night at 8 p.m. was the series’ highest-rated and most-watched telecast with kids two to 11, kids six to 11, tweens nine to 14 and total viewers with 11.2 million.

Cartoon Network, meanwhile, has been seeing double-digit ratings and delivery gains with Ben 10: Alien Force (Friday, 8:30 p.m.), as kids six to 11 delivery (590,000) went up 37%, kids two to 11 delivery (862,000) increased by 31% and kids nine to 14 delivery (427,000) saw a 12% bump.

Its Har Har Tharsdays block (Thursday, 8-10 p.m.) aired new eps of Chowder (8:30 p.m.) and Johnny Test (8 p.m.), also seeing some healthy gains. Its kids six to 11 delivery (694,000) grew by 47%, kids two to 11 delivery (975,000) was up 40% and kids nine to 14 delivery (566,000) spiked 44%. Johnny Test saw kids six 11 delivery (690,000) up by 8% and kids two to 11 delivery (1,053,000) grew by 21%. As for its 12-hour American Superhero Weekend stunt (10 a.m.-10 p.m.) on Saturday, January 16, it earned double-digit gains across the day with most kid demos – kids six to 11 delivery (482,000) and kids two to 11 delivery (738,000) both increased by 16%.

And newest original series I’m in the Band launched as Disney’s XD’s number one series premiere in the net’s history (includes Toon Disney) in total viewers and across the net’s core kid and boy demos: kids and boys six to 14, kids and boys six to 11, tweens and tween boys nine to 14 and Tween Boys.

The Suite Life on Deck and Zeke and Luther were also helped along by book-ending the series premiere of Band, both seeing series highs in key demo tween boys.