Carrie Underwood set to replace Katy Perry on Idol / Cobra Kai creators want a Mr. Miyagi prequel series / Battlestar Galactica reboot is dead

PLUS: Squid Game announces it will end with Season 3 in 2025 as it teases Season 2's premiere on Dec. 26.

Carrie Underwood is set to replace Katy Perry as a judge on American Idol
The country singer, who won the fourth season of Idol in 2005, is "very close" to taking over Perry's Idol seat, reports TMZ. …