Hacker returns to the Cybrary to wreak revenge on Ms. Fileshare and the kids. His crafty plan tricks the kids to try to rescue Ms. Fileshare, only to find themselves all trapped! If the CyberSquad doesn't escape in time, Hacker will steal the Cybrary's most valuable books - all about the most secret inner-workings of Motherboard!
Visit the Website: http://pbskids.org/cyberchase
Episode #308 / Length: 28 minutes