Question: Transformers: Robots in Disguise is an American animated television series for children produced by Hasbro Studios and Darby Pop Productions, in the United States, the series premiered on Cartoon Network, an American basic cable and satellite television channel, on which date?

<P0-S0> Cartoon Network is an American basic cable and satellite television channel that is owned by The Cartoon Network, Inc., a subsidiary of Turner Broadcasting System, itself being a subsidiary of Time Warner. <P0-S1>  It was founded by Betty Cohen and launched on October 1, 1992. <SEP> <P1-S0> Transformers: Robots in Disguise is an American animated television series for children produced by Hasbro Studios and Darby Pop Productions in the United States, and animated by Polygon Pictures in Japan. <P1-S1>  It is a spinoff to "", albeit with a lighthearted tone than its predecessor. <P1-S2>  Roberto Orci and Alex Kurtzman (the executive producers of "Prime") did not return to the new series. <P1-S3>  In the United States, the series premiered on Cartoon Network on March 14, 2015. <SEP> <P2-S0> Launched in 1984, Hasbro's Transformers toyline was promoted through both a comic book by Marvel Comics and an animated series produced by Sunbow Productions and Marvel Productions. <P2-S1>  Although the comic outlived the animated series by a number of years, the animated series is more widely recognised. <P2-S2>  With the original show's conclusion in 1987, original series exclusive to Japan were created which ran until 1990, and the franchise was later re-imagined with the fully CGI "Beast Wars" in the late 1990s. <P2-S3>  The 21st century saw a total reboot of the Transformers universe (first being Takara's produced "Car Robots", imported and called for Western release as ""), as Hasbro collaborated with Japanese Transformers producers Takara to create a new storyline with "" and its sequels, produced in Japan and then dubbed for English-speaking audience. <P2-S4>  In 2008, "Transformers Animated" saw Hasbro take control of the franchise once more through collaboration with Cartoon Network, bringing writing duties back to America, with animation being handled by Japanese studios. <P2-S5>  Hasbro also reacquired the distribution rights to the original series from Sunbow finally giving them the complete rights to the series based on their Generation 1 toy-line. <SEP> <P3-S0> "" is an American animated children's television series produced by Cartoon Network Studios. <P3-S1>  It is based on the Transformers toy and entertainment franchise created by Hasbro, about a race of giant, sentient robots that come from the fictional planet Cybertron and are able to change their appearance into cars, planes and other machinery. <P3-S2>  Transformers: Animated debuted on Cartoon Network on December 26, 2007, running for three seasons and with the final episode airing on May 23, 2009. <P3-S3>  Like most pieces of Transformers fiction, Transformers: Animated focuses on the conflict between two warring factions of Transformer robots, the heroic Autobots and the evil Decepticons, who bring their conflict to Earth. <P3-S4>  The following is a list of characters, Autobot, Decepticon and human, who appear in the series.