Paramount+ highlights for the month December include The Flatshare, The Lost City, Fantasy Football, George & Tammy, Liam Gallagher: Knebworth 22, Reno 911!: It's a Wonderful Heist, Hip Hop Family Christmas Wedding, Blue's Clues & You, The Game, Metallica Presents: The Helping Hands Concert, Snow Day, 1923, Bubble Guppies, Top Gun: Maverick, Mariah Carey: Merry