Champions League Matchday 1 schedule, storylines, what to know: How to watch, live stream on Paramount+

Group stage play gets underway on Tuesday with some fantastic battles

The UEFA Champions League group stage is finally here, and a handful of entertaining matchups are on the schedule to kick things off. Reigning champions Manchester City are the favorites to lift the title again next spring, but a handful of contenders around Europe will have the chance to demonstrate their credentials to make a deep run and claim top honors. First up is a group stage campaign that promises entertainment with a few high-stakes games from the start. AC Milan vs. Newcastle 12:45 p.m. Paramount+ Young Boys vs. RB Leipzig 12:45 p.m. Paramount+ UEFA Champions League Today Pre-Match 1 p.m. Paramount+ / CBS Sports Golazo Network UEFA Champions League Today Pre-Match 2 p.m. Paramount+ / CBS Sports Network The Golazo Show 3 p.m. Paramount+ / CBS Sports Golazo Network PSG vs. Borussia Dortmund 3 p.m. Paramount+ Shakhtar Donetsk vs. Porto 3 p.m. Paramount+ Manchester City vs. Crvena zvezda 3 p.m. Paramount+ Feyenoord vs. Celtic 3 p.m. Paramount+ Barcelona vs. Antwerp 3 p.m. Paramount+ Lazio vs. Atlético Madrid 3 p.m. Paramount+ / CBS Sports Network UEFA Champions League Today Post-Match 5 p.m. Paramount+ / CBS Sports Network The Champions Club 6 p.m. CBS Sports Golazo Network Real Madrid vs. Union Berlin 12:45 p.m. Paramount+ Galatasaray vs. Copenhagen 12:45 p.m. Paramount+ UEFA Champions League Today Pre-Match 2 p.m. Paramount+ / CBS Sports Network The Golazo Show 3 p.m. Paramount+ / CBS Sports Golazo Network Bayern Munich vs. Manchester United 3 p.m. Paramount+ Benfica vs. RB Salzburg 3 p.m. Paramount+ Braga vs. Napoli 3 p.m. Paramount+ Arsenal vs. PSV 3 p.m. Paramount+ Sevilla vs. Lens 3 p.m. Paramount+ Real Sociedad vs. Inter Milan 3 p.m. Paramount+ / CBS Sports Network UEFA Champions League Today Post-Match 5 p.m. Paramount+ / CBS Sports Network The Champions Club 6 p.m. CBS Sports Golazo Network Kickin' It Premiere 8 p.m. CBS Sports Golazo Network

Here's what you need to know as this season's group stage gets underway.