Coach Courteney Potter (Jenn Lyon) is forced to step down from her championship cheer squad, letting assistant coach Tammy Istiny (Kristin Chenoweth) step up while Courteney struggles to recruit a brand-new team. All-new Stumble - watch NBC on Peacock. #NBC #Stumble #JennLyon » Subscribe for More: bit.ly/NBCSub Find NBC trailers, full episode highlights, previews, promos, clips, and digital exclusives here. NBC ON SOCIAL: YouTube: youtube.com/nbc Twitter: Twitter.com/NBC Facebook: Facebook.com/NBC Instagram: instagram.com/nbc ABOUT STUMBLE: In this all-new comedy, an elite cheerleading coach has her life flipped upside down when she’s forced to start over with a new squad of lovable misfits. But to win the championship, they have no choice but to kick it into high cheer. Winning Coach’s Life Gets Flipped Upside Down | Stumble | NBC youtu.be/ZTY_pk3B-3Y NBC on YouTube youtube.com/user/nbc #NBC