The series was first announced as part of Rooster Teeth's 13th Anniversary celebration on April 1, 2016 and premiered May 7.
RWBY Chibi is not considered to be canon, with characters repeatedly breaking the fourth wall.
The first season premiered on May 7, 2016, and consisted of 24 episodes, which were aired weekly at the usual RWBY release time on Saturdays.
A second season of RWBY Chibi premiered on Rooster Teeth's web site on May 13, 2017.
Note: All the segments are based on fan comics, whose authors get story credits.