LOS ANGELES — HBO's charming college-set comedy "Rooster" wrapped its first season Sunday night with a Christmastime finale that mixed warmth, heartbreak and a killer cliffhanger, leaving viewers eager for Steve Carell's Greg Russo to navigate even bigger hurdles next semester.

Titled "Songs for Raisa," the episode aired at 10 p.m. ET/PT on HBO and streamed on Max, capping a 10-episode run that premiered March 8. Created by Bill Lawrence and Matt Tarses, the series follows bestselling author Greg as he embeds himself in his daughter Katie's world at the fictional Ludlow College after her husband Archie leaves her for a pregnant graduate student.

The finale opened with Greg and his ex-wife Elizabeth confronting Katie about their meddling in her career. Katie, played by Charly Clive, firmly set boundaries, declaring she needed to make her own mistakes. Elizabeth, portrayed by Connie Britton in a recurring role, remained her chaotic, self-serving self, interrupting with biting asides while eyeing bigger opportunities at the school.

Katie's liberation and Archie's reckoning

The love triangle that drove much of the season reached a satisfying, if messy, conclusion. After impulsively recommitting to Archie (Phil Dunster) in the previous episode, Katie realized during a simple lunch that he still gave her "the ick." She abruptly ended things and later demanded a divorce, telling him she didn't need him to feel........

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