Searxng/Rooster HBO tv TV Discover how the Rooster season one finale on HBO delivers a heartfelt Christmas surprise, revealing Greg's true community and setting up season two. May 11, 2026 AceShowbiz - SPOILER ALERT: This article contains spoilers regarding the season one finale of Rooster on HBO and HBO Max. The first season of the HBO comedy series Rooster, created by Bill Lawrence and Matt Tarses, has concluded its initial run. Fans can look forward to the return of the cast and crew for a second season.