Magic Knight Rayearth is a adventure series created by CLAMP. The first series ran from 1994 to 1995 and contained 20 episodes. It covers the first three volumes of the manga. The second series ran in 1995 and contains 29 episodes. It covers volumes four through six of the manga. There is also a three part OAV which ran in 1997. Both the manga and TV series are available in the US.