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Check Yourself
When Lunella loses a game of chess against a supercomputer, her obsession with winning drives the frustrated computer to program every device in the school to attack her.
![](https://image.tmdb.org/t/p/w300/re6qcWnMkvHHTyvKKY1OqVCWwUM.jpg)
![](https://image.tmdb.org/t/p/w300/ieZ9AdB3yJF9jZSVO39zZ9d4D1y.jpg)
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Other episodes for this season
![Moon Girl Landing](https://image.tmdb.org/t/p/w300/tRjKIJEbN6brNTJ0s2gjRgQvDcZ.jpg)
![The Borough Bully](https://image.tmdb.org/t/p/w300/aT5JDqVM5Zr0VBYUnM1Kjm4NbOy.jpg)
![Run the Rink](https://image.tmdb.org/t/p/w300/zSFmLlFSIqMKGukXm5Hz3oSAA1j.jpg)
![Check Yourself](https://image.tmdb.org/t/p/w300/saE9bmEH7hVhvB8bhxJcW1xHOeX.jpg)
![Hair Today, Gone Tomorrow](https://image.tmdb.org/t/p/w300/oj8NZpU4XeEGJ0GzVLJA8KMng5B.jpg)
![The Beyonder](https://image.tmdb.org/t/p/w300/h8ZeOOD5GrSJqhakEcng4pvLttB.jpg)
![Moon Girl's Day Off](https://image.tmdb.org/t/p/w300/gUtiIUTrh1ZRcMtu4tffnG7HlFD.jpg)
![Teacher's Pet](https://image.tmdb.org/t/p/w300/kUmifZxPOaIT15Wd6n7ib1RdMBZ.jpg)
![Skip This Ad…olesence](https://image.tmdb.org/t/p/w300/3nr68F7znxRTrZYruzVXCF0qzB3.jpg)
![Goodnight, Moon Girl](https://image.tmdb.org/t/p/w300/ka3ISdBuzfnRajoPDNn9sUZMAAr.jpg)
![Like Mother, Like Moon Girl](https://image.tmdb.org/t/p/w300/l8YuMqV9z0C5xCChQ84S3WmlR6G.jpg)
![Today, I Am a Woman](https://image.tmdb.org/t/p/w300/AskKXwSUGyFvtIYkbJWHEaGaJ4E.jpg)
![Devil on Her Shoulder](https://image.tmdb.org/t/p/w300/wIFdiu4RPLU91X2PfRP9vYBhVzi.jpg)
![Coney Island, Baby!](https://image.tmdb.org/t/p/w300/vmqYAePp6bO8OYvDPuErdDvFEFV.jpg)
![](https://image.tmdb.org/t/p/w300/2G2SANFh59wPz3zDh9Ybofb915G.jpg)
![](https://image.tmdb.org/t/p/w300/i7UAaA0ZDXQDnA6sse88PT0eJSa.jpg)
When Lunella loses a game of chess against a supercomputer, her obsession with winning drives the frustrated computer to program every device in the school to attack her.