Release dates for two popular cartoon shows “for big kids” were announced today, and Blu-Ray.com has the news on both. First up is Robot Chicken: Season 6, which will give fans a ton of special features, including commentary tracks on all 20 episodes, more than 50 deleted animatics and seven fully animated deleted scenes. Next up is the release of South Park: The Complete Sixteenth Season, which will include “mini-commentaries” on each of the 14 episodes as well as deleted scenes. South Park comes out on September 24th, while Robot Chicken arrives on October 8th.