Critical response
GLOW was praised by critics upon its release. On Rotten Tomatoes, season 1 has a 94% approval rating with an average score of 7.7/10 based on 108 reviews. The site's critical consensus reads, "With spot-on 1980s period detail, knockout writing, and a killer cast, GLOW shines brightly." The first season has a Metacritic score of 81 out of 100, based on 37 critics, indicating "universal acclaim". Darren Franich of Entertainment Weekly gave the first season an A rating, calling it "a silly-smart masterpiece, with an ensemble cast entirely made up of breakout characters". Sophie Gilbert of The Atlantic said, "...it's just a blast to watch women having so much fun. GLOW fully owns its campiness and its showy aesthetics, but it's smart and subversive underneath the glitter."
The second season received even higher critical acclaim. On Rotten Tomatoes, season 2 has a 98% approval rating with an average score of 8.8/10 based on 86 reviews. The site's critical consensus reads, "Fearlessly led by its excellent ensemble, GLOW's second season adds a new layer of drama without sacrificing its self-effacing, delightfully silly humor." The second season has a Metacritic score of 85 out of 100, based on 20 critics, indicating "universal acclaim".
On Rotten Tomatoes, the third season has an 87% approval rating with an average score of 8/10 based on 68 reviews. The site's critical consensus reads, "GLOW dives even deeper into the lives of its divas to deliver a knock-out third season that solidifies its place as one of TV's most compelling—and hilarious—character studies." The third season has a Metacritic score of 80 out of 100, based on 17 critics, indicating "generally favorable reviews".