Sym-bionic titan was a AMAZING animated show aired on Cartoon Network September 17, 2010 - April 9, 2011.

The show left on a very big cliffhanger and got The audience emotionally attached to the characters. It’s not like [as] Adult Swim hasn’t done it before. [as] Adult Swim has rebooted Samurai Jack for the once kids now turned adult. It was a hit with them for it now mature themes, the show matured as they did. Why not do the same for this show. 

Titan received rave reviews from critics and audiences, received two Annie Award nominations, and performed well in ratings, with a Cartoon Network insider saying that the show had “competitive ratings” with other action shows at the time. Despite the show’s success, it was canceled after only one season.
    Why would a show that was doing so well get axed like that? Although an official reason for the show’s cancellation was never given, the aforementioned insider told The Animation Guild blog that Titan was canceled because it “didn’t have enough toys connected to it,”.Despite its cancellation, the show still maintains a strong cult following.

While doing press for the final season of Samurai Jack in 2017co-creator of the show Genndy Tartakovsky was interviewed with Polygon, where he stated if someone offered him money, he’d finish Titan with a movie similar to Pacific Rim. He also expressed how crushed he was when the show was canceled in an interview with Syfy in 2018. - article by IAN "SPIDEY" THOMPSON)