XO, Kitty is attracting Netflix viewers in droves with love triangles, quadrangles and shapes of all kinds. The spinoff series off To All the Boys I’ve Loved Before premiered on Thursday (May 18) and has skyrocketed up No. 3 on Netflix’s Top 10 TV shows chart. It sits behind Selling Sunset season 6 in the top spot, and the long-running procedural S.W.A.T..