Tempus Fugit

"Tempus Fugit" is the 144th episode of the animated series Teenage Mutant Ninja Turtles (2003), and the first episode of TMNT: Back to the Sewer, which originally aired on September 13, 2008.

Major Characters

 * Donatello (Sam Regal)
 * Leonardo (Michael Sinterniklaas)
 * Michelangelo (Wayne Grayson)
 * Raphael (Frank Frankson)
 * Splinter (Darren Dunstan)
 * Serling (Marc Thompson)
 * Viral

Secondary Characters

 * Utrom Shredder (Scottie Ray)
 * Tengu Shredder (Scottie Ray)
 * Cyber Shredder (Scottie Ray)
 * Foot Soldiers
 * Cody Jones (Chris Adams II)
 * Zog II
 * Master Khan (Sean Schemmel)

Main Locations

 * Cody Jones' workshop
 * Time warp tunnel
 * Dino-era
 * Knight-era
 * City Streets [Future]
 * Turtle Lair [Present]

Voice-over introduction
This episode did not have a voice-over introduction.

Plot Synopsis
When Don and Cody fix the time window, Viral awakens and seeks revenge on the Turtles. The Turtles and Splinter enter to the machine, but Viral attacks and throws Serling to the window. Viral teleports the Turtles, Splinter and Serling everywhere on time. Don finds out all and turns Serling into Turtle X. The Turtles, Splinter and Serling go to present, but Viral appears again. Viral uses Turtle X to hit Splinter with a decompiler and Splinter disappears. The Turtles and Serling return and Don blames himself for losing his master. In the end, Viral teleports into cyberspace and attempts to withdraw power from a Foot database but is pulled in and becomes Cyber Shredder.

Trivia

 * The Turtles had pupils before they went through the time warp.
 * Fast Forward is concluded a season just starting to become great what a waste, what happened to the Dark Turtles and Darius Dunn, Dark Leo turned caring but what about the others.