'Hack Attack' is a good episode. In it Sarah created holo-clones of herself to join the many activities in her school. The tech get stolen by a monster who used it to create giant holo-clones of the big boss. Sarah used her mind to create a virus that destroy the holo-clones. The monster fought the rangers and get defeated. He grew into a giant and got destroyed by them. It was a good half hour for the first of 2 episodes.