S01E14: Notes from the Underground (2)
After discovering an abandoned underground Foot Genetics Lab, and being attacked by once-human Digging Creatures, the Turtles assist those very creatures in trying to repair a Force Field.
Previous Episode 
Season 1
Things Change
S1E1 / 08 Feb 2003
A Better Mousetrap
S1E2 / 15 Feb 2003
Attack of the Mousers
S1E3 / 22 Feb 2003
Meet Casey Jones
S1E4 / 01 Mar 2003
Nano
S1E5 / 08 Mar 2003
Darkness on the Edge of Town
S1E6 / 15 Mar 2003
The Way of Invisibility
S1E7 / 22 Mar 2003
Fallen Angel
S1E8 / 29 Mar 2003
Garbageman
S1E9 / 05 Apr 2003
The Shredder Strikes (1)
S1E10 / 12 Apr 2003
The Shredder Strikes (2)
S1E11 / 19 Apr 2003
The Unconvincing Turtle Titan
S1E12 / 03 May 2003
Notes from the Underground (1)
S1E13 / 10 May 2003
Notes from the Underground (2)
S1E14 / 17 May 2003
Notes from the Underground (3)
S1E15 / 24 May 2003
The King
S1E16 / 31 May 2003
The Shredder Strikes Back (1)
S1E17 / 07 Jun 2003
The Shredder Strikes Back (2)
S1E18 / 14 Jun 2003
Tales of Leo
S1E19 / 13 Sep 2003
The Monster Hunter
S1E20 / 20 Sep 2003
Return to New York (1)
S1E21 / 27 Sep 2003
Return to New York (2)
S1E22 / 04 Oct 2003
Return to New York (3)
S1E23 / 11 Oct 2003
Lone Raph and Cub
S1E24 / 18 Oct 2003
Search for Splinter (1)
S1E25 / 25 Oct 2003
Search for Splinter (2)
S1E26 / 01 Nov 2003
Season 2
Turtles in Space (1): The Fugitoid
S2E1 / 08 Nov 2003
Turtles in Space (2): The Trouble with Triceratons
S2E2 / 15 Nov 2003
Turtles in Space (3): The Big House
S2E3 / 22 Nov 2003
Turtles in Space (4): The Arena
S2E4 / 29 Nov 2003
Turtles in Space (5): Triceraton Wars
S2E5 / 06 Dec 2003
Secret Origins (1)
S2E6 / 17 Jan 2004
Secret Origins (2)
S2E7 / 24 Jan 2004
Secret Origins (3)
S2E8 / 31 Jan 2004
Reflections
S2E9 / 07 Feb 2004
The Ultimate Ninja
S2E10 / 14 Feb 2004
The Return of Nano
S2E11 / 21 Feb 2004
What a Croc
S2E12 / 28 Feb 2004
Return to the Underground
S2E13 / 06 Mar 2004
City at War (1)
S2E14 / 13 Mar 2004
City at War (2)
S2E15 / 20 Mar 2004
City at War (3)
S2E16 / 27 Mar 2004
Junklantis
S2E17 / 03 Apr 2004
The Golden Puck
S2E18 / 10 Apr 2004
Rogue in the House (1)
S2E19 / 17 Apr 2004
Rogue in the House (2)
S2E20 / 24 Apr 2004
April's Artifact
S2E21 / 01 May 2004
Return of the Justice Force
S2E22 / 08 May 2004
The Big Brawl (1)
S2E23 / 15 May 2004
The Big Brawl (2)
S2E24 / 18 Sep 2004
The Big Brawl (3)
S2E25 / 25 Sep 2004
The Big Brawl (4)
S2E26 / 02 Oct 2004
Season 3
Space Invaders (1)
S3E1 / 09 Oct 2004
Space Invaders (2)
S3E2 / 16 Oct 2004
Space Invaders (3)
S3E3 / 23 Oct 2004
Worlds Collide (1)
S3E4 / 30 Oct 2004
Worlds Collide (2)
S3E5 / 06 Nov 2004
Worlds Collide (3)
S3E6 / 13 Nov 2004
Touch and Go
S3E7 / 20 Nov 2004
Hunted
S3E8 / 27 Nov 2004
H.A.T.E
S3E9 / 04 Dec 2004
Nobody's Fool
S3E10 / 11 Dec 2004
The Lesson
S3E11 / 18 Dec 2004
The Christmas Aliens
S3E12 / 25 Dec 2004
New Blood
S3E13 / 22 Jan 2005
The Darkness Within
S3E14 / 29 Jan 2005
Mission of Gravity
S3E15 / 05 Feb 2005
The Entity Below
S3E16 / 06 Feb 2005
Time Travails
S3E17 / 07 Feb 2005
Hun on the Run
S3E18 / 08 Feb 2005
Reality Check
S3E19 / 05 Mar 2005
Across the Universe
S3E20 / 12 Mar 2005
Same as It Never Was
S3E21 / 17 Mar 2005
The Real World (1)
S3E22 / 26 Mar 2005
The Real World (2)
S3E23 / 02 Apr 2005
Bishop's Gambit
S3E24 / 09 Apr 2005
Exodus (1)
S3E25 / 16 Apr 2005
Exodus (2)
S3E26 / 23 Apr 2005
Season 4
Cousin Sid
S4E1 / 10 Sep 2005
The Peoples' Choice
S4E2 / 17 Sep 2005
A Wing and a Prayer
S4E3 / 25 Sep 2005
Sons of the Silent Age
S4E4 / 01 Oct 2005
Dragons' Brew
S4E5 / 08 Oct 2005
I, Monster
S4E6 / 15 Oct 2005
Grudge Match
S4E7 / 22 Oct 2005
All Hallows Theives
S4E8 / 29 Oct 2005
Bad Day
S4E9 / 05 Nov 2005
Aliens Among Us
S4E10 / 12 Nov 2005
Dragons Rising
S4E11 / 19 Nov 2005
Still Nobody
S4E12 / 26 Nov 2005
Samurai Tourist
S4E13 / 03 Dec 2005
The Ancient One
S4E14 / 10 Dec 2005
Scion of the Shredder
S4E15 / 04 Feb 2006
Prodigal Son
S4E16 / 11 Feb 2006
Outbreak
S4E17 / 18 Feb 2006
The Trouble with Augie
S4E18 / 25 Feb 2006
A Tale of Master Yoshi
S4E19 / 04 Mar 2006
The Return of Savanti (1)
S4E20 / 11 Mar 2006
The Return of Savanti (2)
S4E21 / 18 Mar 2006
Adventures in Turtlesitting
S4E22 / 25 Mar 2006
Good Genes (1)
S4E23 / 01 Apr 2006
Good Genes (2)
S4E24 / 08 Apr 2006
The Ninja Tribunal
S4E25 / 15 Apr 2006
Season 5
Lap of the Gods
S5E1 / 16 Feb 2008
Demons and Dragons
S5E2 / 23 Feb 2008
Legend of the 5 Dragons
S5E3 / 01 Mar 2008
More Worlds Than One
S5E4 / 08 Mar 2008
Beginning of the End
S5E5 / 15 Mar 2008
Membership Drive
S5E6 / 24 Mar 2007
New World Order (1)
S5E7 / 29 Mar 2008
New World Order (2)
S5E8 / 05 Apr 2008
Fathers and Sons
S5E9 / 13 Apr 2008
Past and Present
S5E10 / 20 Apr 2008
Enter the Dragons (1)
S5E11 / 27 Apr 2008
Enter the Dragons (2)
S5E12 / 04 May 2008
Season 6
Future Shellshock
S6E1 / 29 Jul 2006
Obsolete
S6E2 / 05 Aug 2006
Home Invasion
S6E3 / 12 Aug 2006
Headlock Prime
S6E4 / 30 Sep 2006
Playtime's Over
S6E5 / 07 Oct 2006
Bishop to Knight
S6E6 / 14 Oct 2006
Night of Sh'okanabo!
S6E7 / 21 Oct 2006
Clash of the Turtle Titans
S6E8 / 28 Oct 2006
Fly Me to the Moon
S6E9 / 04 Nov 2006
Invasion of the Body Snatcher!
S6E10 / 11 Nov 2006
The Freaks Come Out at Night
S6E11 / 25 Nov 2006
Bad Blood
S6E12 / 02 Dec 2006
The Journal
S6E13 / 09 Dec 2006
The Gaminator
S6E14 / 16 Dec 2006
Graduation Day: Class of 2105
S6E15 / 24 Mar 2007Timing Is Everything
S6E16 / 31 Mar 2007Enter the Jammerhead
S6E17 / 07 Apr 2007Milk Run
S6E18 / 14 Apr 2007The Fall of Darius Dunn
S6E19 / 21 Apr 2007Turtle X-Tinction
S6E20 / 28 Apr 2007Race for Glory
S6E21 / 08 Sep 2007Head of State
S6E22 / 15 Sep 2007DNA Is Thicker Than Water
S6E23 / 06 Oct 2007The Cosmic Completist
S6E24 / 13 Oct 2007The Day of Awakening
S6E25 / 20 Oct 2007Zixxth Sense
S6E26 / 27 Oct 2007
Season 7
Tempus Fugit
S7E1 / 13 Sep 2008Karate Schooled
S7E2 / 20 Sep 2008Something Wicked
S7E3 / 27 Sep 2008The Engagement Ring
S7E4 / 04 Oct 2008Hacking Stockman
S7E5 / 18 Oct 2008The Incredible Shrinking Serling
S7E6 / 25 Oct 2008Identity Crisis
S7E7 / 01 Nov 2008Web Wranglers
S7E8 / 08 Nov 2008Superquest
S7E9 / 15 Nov 2008Virtual Reality Check
S7E10 / 22 Nov 2008City Under Siege
S7E11 / 29 Nov 2008Super Power Struggle
S7E12 / 21 Feb 2009Wedding Bells and Bytes
S7E13 / 28 Feb 2009
Michael Sinterniklaas
Leonardo (voice)
Wayne Grayson
Michelangelo (voice)
Sam Riegel
Donatello (voice)
Gregory Abbey
Raphael (voice)
Darren Dunstan
Master Splinter (voice)
Veronica Taylor
April O'Neil (voice)
Marc Thompson
Casey Jones (voice)
