City Under Siege

"City Under Siege" is the 154th episode of the animated series Teenage Mutant Ninja Turtles (2003), and the eleventh episode of TMNT: Back to the Sewer, which originally aired on November 29, 2008.

Major Characters

 * Donatello (Sam Regal)
 * Leonardo (Michael Sinterniklaas)
 * Michelangelo (Wayne Grayson)
 * Raphael (Frank Frankson)
 * April O'Neil (Veronica Taylor)
 * Casey Jones (Marc Thompson)
 * Cyber Shredder (Scottie Ray)
 * Khan

Secondary Characters

 * The Foot
 * Hun (Greg Carey)
 * Purple Dragons

Main Locations

 * Cyberspace

Plot Synopsis
The Cyber Shredder has decided to wreck havok on the city by taking over the New York City central mainframe and take control of all the city's electronics.