Critical Role is a web series featuring a group of voice actors who play tabletop role-playing games, primarily Dungeons & Dragons. The show began in 2015 and has gained a large following due to its engaging storytelling, character development, and improvisational humor. The cast, including notable voice actors like Matthew Mercer and Laura Bailey, creates rich narratives and immersive worlds. Each campaign follows a different set of characters and adventures, allowing viewers to experience unique stories while enjoying the camaraderie and creativity of the players.