Cast: Seth Green (Leonardo / Alien Merchant #2), Sean Astin (Raphael), Greg Cipes (Michelangelo), Rob Paulsen (Donatello), Mae Whitman (April / Valaxina), Kevin Michael Richardson (Alien Merchant #1 / Big Furry Alien / Robot Vendor), Josh Peck (Casey Jones), David Tennant (Fugitoid), Peter Stormare (Lord Dregg)
Written By: Brandon Auman
Directed By: Alan Wan
Ep: 80
The Moons of Thalos 3
Cast: Seth Green (Leonardo), Sean Astin (Raphael), Greg Cipes (Michelangelo), Rob Paulsen (Donatello / Triceraton Commander), Mae Whitman (April), Josh Peck (Casey Jones), David Tennant (Fugitoid), Michael Dorn (Captain Mozar / Triceraton Lieutenant), Keith David (Sal Commander), Zelda Williams (Mona Lisa)
Written By: John Shirley
Directed By: Michael Chang
Ep: 81
The Weird World of Wyrm
Cast: Seth Green (Leonardo), Sean Astin (Raphael), Greg Cipes (Michelangelo), Rob Paulsen (Donatello / Sumo Glen), Mae Whitman (April / Felicia), Josh Peck (Casey Jones), David Tennant (Fugitoid), Clancy Brown (Bradford / Rahzar / Dogpound), Kevin Michael Richardson (Fake Master / TV Announcer / Master C), Dwight Schultz (Wyrm)
Written By: Randolph Heard
Directed By: Sebastian Montes
Ep: 82
The Outlaw Armaggon
Cast: Seth Green (Leonardo), Sean Astin (Raphael), Greg Cipes (Michelangelo), Rob Paulsen (Donatello), Mae Whitman (April), Josh Peck (Casey Jones), David Tennant (Fugitoid), Ron Perlman (Armaggon), Jim Piddock (Overmind / Warbot), Peter Stormare (Lord Dregg)
Written By: Gavin Hignight
Directed By: Alan Wan
Ep:
Half-Shell Heroes: Blast to the Past
Cast: Seth Green (Leonardo), Sean Astin (Raphael), Greg Cipes (Michelangelo), Rob Paulsen (Donatello / Triceraton Lieutenant), Kate Mulgrew (General Zera), Eric Bauza (Tiger Claw / Triceraton Soldier #2 / Triceraton #3 / Guard #1), Fred Tatasciore (Rocksteady / Triceraton Soldier #1 / Lieutenant Zorg), J.B. Smoove (Bebop)
Written By: Brandon Auman
Directed By: Glen Murakami
Ep: 83
Riddle of the Ancient Aeons
Cast: Seth Green (Leonardo), Sean Astin (Raphael), Greg Cipes (Michelangelo), Rob Paulsen (Donatello), Mae Whitman (April), Josh Peck (Casey Jones), David Tennant (Fugitoid), Michael Dorn (Captain Mozar / Triceraton #1), Kevin Michael Richardson (Aeon / Triceraton Scientist)
Written By: Brandon Auman
Directed By: Michael Chang
Ep: 84
Journey to the Center of Mikey's Mind
Cast: Seth Green (Leonardo), Sean Astin (Raphael), Greg Cipes (Michelangelo), Rob Paulsen (Donatello / Micro Chip), Mae Whitman (April), Josh Peck (Casey Jones), David Tennant (Fugitoid), Eric Bauza (Tiger Claw / Unicorn Man), Clancy Brown (Bradford / Neutrinos), Charlie Murphy (Belly Bomb), Kevin Michael Richardson (Announcer)
Written By: Todd Casey
Directed By: Sebastian Montes
Ep: 85
The Arena of Carnage
Cast: Seth Green (Leonardo / Triceraton Guard #2), Sean Astin (Raphael), Greg Cipes (Michelangelo), Rob Paulsen (Donatello), Mae Whitman (April), Kevin Michael Richardson (Shredder / Triceraton Guard #3), Josh Peck (Casey Jones), David Tennant (Fugitoid), Michael Dorn (Captain Mozar / Triceraton Guard #1), Michael Ironside (Emperor Zanmoran), John DiMaggio (Zeno / Triceraton Announcer)
Written By: Peter Di Cicco
Directed By: Alan Wan
Ep: 86
The War For Dimension X
Cast: Seth Green (Leonardo), Sean Astin (Raphael), Greg Cipes (Michelangelo), Rob Paulsen (Donatello), David Tennant (Fugitoid), Nolan North (Kraang / Bishop / Pawn), Keith David (Sal Commander), Gilbert Gottfried (Kraang Subprime), Kate Micucci (Irma - Rook), Cassandra Peterson (Miss Campbell / Queen), Zelda Williams (Mona Lisa)
Written By: Kevin Burke & Chris "Doc" Wyatt
Directed By: Michael Chang
Ep: 87
The Cosmic Ocean
Cast: Seth Green (Leonardo), Sean Astin (Raphael), Greg Cipes (Michelangelo), Rob Paulsen (Donatello), Mae Whitman (April), Hoon Lee (Splinter), Josh Peck (Casey Jones), David Tennant (Fugitoid), Ron Perlman (Armaggon), Lucy Lawless (Hiidrala), Peter Stormare (Lord Dregg), Jared Nuss (Daagon Guard)
Written By: Mark Henry
Directed By: Sebastian Montes
Ep: 88
Trans-Dimensional Turtles
Cast: Seth Green (Leonardo), Sean Astin (Raphael), Greg Cipes (Michelangelo), Rob Paulsen (Donatello / '87 Raphael), Hoon Lee (Splinter), David Tennant (Fugitoid), Gilbert Gottfried (Krang Subprime), Cam Clarke ('87 Leonardo), Townsend Coleman ('87 Michelangelo), Barry Gordon ('87 Donatello), Patrick Fraley ('87 Krang)
Written By: Brandon Auman
Directed By: Alan Wan
Ep: 89
Revenge of the Triceratons
Cast: Seth Green (Leonardo / Science Officer), Sean Astin (Raphael), Greg Cipes (Michelangelo), Rob Paulsen (Donatello), Mae Whitman (April), Josh Peck (Casey Jones), David Tennant (Fugitoid), Michael Dorn (Captain Mozar / Triceraton Pilot), Clancy Brown (Bradford / Lieutenant Zax)
Written By: Randolph Heard
Directed By: Michael Chang & Ben Jones
Ep: 90
The Evil of Dregg
Cast: Seth Green (Leonardo), Sean Astin (Raphael), Greg Cipes (Michelangelo), Rob Paulsen (Donatello), Mae Whitman (April), Josh Peck (Casey Jones), David Tennant (Fugitoid), Peter Stormare (Lord Dregg), Ron Perlman (Armaggon), Keith David (Sal Commander), Zelda Williams (Mona Lisa)
Written By: Gavin Hignight
Directed By: Sebastian Montes
Ep: 91
The Ever-Burning Fire
Cast: Seth Green (Leonardo / Captain Reptile), Sean Astin (Raphael), Greg Cipes (Michelangelo / Lil' Rineo), Rob Paulsen (Donatello), Mae Whitman (April), Josh Peck (Casey Jones), David Tennant (Fugitoid), Peter Stormare (Lord Dregg), Michael Dorn (Mozar), Clancy Brown (Chris Bradford / Lieutenant Zax)
Written By: John Shirley
Directed By: Alan Wan
Ep: 92
Earth's Last Stand
Cast: Seth Green (Leonardo), Sean Astin (Raphael), Greg Cipes (Michelangelo), Rob Paulsen (Donatello), Mae Whitman (April), Hoon Lee (Splinter), Kevin Michael Richardson (Shredder / Commander Zorin), Josh Peck (Casey Jones), David Tennant (Fugitoid), Michael Dorn (Mozar), Corey Feldman (Slash), Eric Bauza (Tiger Claw / Triceraton Scientist), Tom Kenny (Doc Rockwell), Nolan North (Triceraton)
Written By: Brandon Auman
Directed By: Michael Chang & Ben Jones
Ep: 93
City at War
Cast: Seth Green (Leonardo), Sean Astin (Raphael), Greg Cipes (Michelangelo), Rob Paulsen (Donatello), Mae Whitman (April), Hoon Lee (Splinter), Kevin Michael Richardson (Shredder / Destroyo), Kelly Hu (Karai), Eric Bauza (Tiger Claw), Clancy Brown (Rahzar / Chris Bradford), Christian Lanz (Fishface), Gwendoline Yeo (Shini)
Written By: Brandon Auman
Directed By: Sebastian Montes
Ep: 94
Broken Foot
Cast: Seth Green (Leonardo), Sean Astin (Raphael), Greg Cipes (Michelangelo), Rob Paulsen (Donatello), Mae Whitman (April), Hoon Lee (Splinter), Kelly Hu (Karai), Eric Bauza (Tiger Claw / Hun), J.B. Smoove (Bebop), Andrew Kishino (Fong / Sid), Jim Meskimen (Carlos Chang O'Brien), Fred Tatasciore (Rocksteady), Gwendoline Yeo (Shini)
Written By: Peter Di Cicco
Directed By: Alan Wan
Ep: 95
The Insecta Trifecta
Cast: Seth Green (Leonardo / Foot Ninja #1), Sean Astin (Raphael), Greg Cipes (Michelangelo), Rob Paulsen (Donatello), Mae Whitman (April), Hoon Lee (Splinter), Kevin Michael Richardson (Shredder / Cop #1 / Cop #2), Josh Peck (Casey Jones), Kelly Hu (Karai), Phil LaMarr (Stockman-Fly), Ted Biaselli (Scumbug / Business Jerk)
Written By: Kevin Burke & Chris "Doc" Wyatt
Directed By: Michael Chang & Ben Jones
Ep: 96
Mutant Gangland
Cast: Seth Green (Leonardo), Sean Astin (Raphael), Greg Cipes (Michelangelo), Rob Paulsen (Donatello), Hoon Lee (Splinter), Eric Bauza (Vic / Vinnie / The Hammer / Mask #2), Brian Bloom (Don Vizioso / Mask #3), Corey Feldman (Slash), Tom Kenny (Doc Rockwell / Mask #1 / Homeless Guy), Peter Lurie (Leatherhead / Mask #4), Robbie Rist (Mondo Gecko)
Written By: Todd Casey
Directed By: Sebastian Montes
Ep: 97
Bat in the Belfry
Cast: Seth Green (Leonardo), Sean Astin (Raphael), Greg Cipes (Michelangelo / Turflytle), Rob Paulsen (Donatello), Mae Whitman (April), Hoon Lee (Splinter), Josh Peck (Casey Jones), Jeff Bennett (Screwloose), Daran Norris (Wingnut), Fred Tatasciore (Skullface)
Written By: Eugene Son
Directed By: Alan Wan
Ep: 98
The Super Shredder
Cast: Seth Green (Leonardo), Sean Astin (Raphael), Greg Cipes (Michelangelo), Rob Paulsen (Donatello), Mae Whitman (April), Hoon Lee (Splinter), Kevin Michael Richardson (Shredder / Super Shredder), Kelly Hu (Karai), Eric Bauza (Tiger Claw / Evil Ninja), Clancy Brown (Chris Bradford / Rahzar), Phil LaMarr (Stockman-Fly), Gwendoline Yeo (Shini)
Written By: Brandon Auman
Directed By: Rie Koga
Ep: 99
Darkest Plight
Cast: Seth Green (Leonardo), Sean Astin (Raphael), Greg Cipes (Michelangelo), Rob Paulsen (Donatello), Hoon Lee (Splinter), Mae Whitman (April), Kevin Michael Richardson (Super Shredder), Josh Peck (Casey Jones), Kelly Hu (Karai), Fred Tatasciore (Rocksteady), JB Smoove (Bebop), Eric Bauza (Tiger Claw), Jeffrey Combs (The Rat King)
Written By: Randolph Heard
Directed By: Sebastian Montes
Ep: 100
The Power Inside Her
Cast: Seth Green (Leonardo), Sean Astin (Raphael), Greg Cipes (Michelangelo), Rob Paulsen (Donatello), Mae Whitman (April), Hoon Lee (Splinter), Josh Peck (Casey Jones), Eric Bauza (Tiger Claw / Hun), Clancy Brown (Rahzar), Christian Lanz (Fishface)
Written By: Peter Di Cicco
Directed By: Alan Wan
Ep: 101
Tokka vs the World
Cast: Seth Green (Leonardo), Sean Astin (Raphael), Greg Cipes (Michelangelo), Rob Paulsen (Donatello), Hoon Lee (Splinter), Josh Peck (Casey Jones), Kevin Michael Richardson (EPF Scientist), Jim Meskimen (Carlos Chiang O'Brien Gambe / General Griffen / Commander #2), Nolan North (Agent Bishop / Commander / Field Captain / Announcer / Soldier)
Written By: Gavin Hignight
Directed By: Rie Koga
Ep: 102
Tale of Tiger Claw
Cast: Seth Green (Leonardo), Sean Astin (Raphael), Greg Cipes (Michelangelo), Rob Paulsen (Donatello), Hoon Lee (Splinter), Mae Whitman (April), Kevin Michael Richardson (Super Shredder), Josh Peck (Casey Jones), Fred Tatasciore (Rocksteady / Truck Driver), JB Smoove (Bebop), Eric Bauza (Tiger Claw), Minae Noji (Alopex)
Written By: Mark Henry
Directed By: Sebastian Montes
Ep: 103
Requiem
Cast: Seth Green (Leonardo / Evil Ninja Commander), Sean Astin (Raphael), Greg Cipes (Michelangelo / Lil' Rineo), Rob Paulsen (Donatello / Sumo Glenn), Mae Whitman (April), Hoon Lee (Splinter), Kevin Michael Richardson (Master P / Super Shredder), Josh Peck (Casey Jones), Corey Feldman (Slash), Kelly Hu (Karai), Clancy Brown (Rahzar / Chris Bradford), Doc Rockwell (Tom Kenny), Phil LaMarr (Stockman-Fly), Christian Lanz (Fishface), Peter Lurie (Leatherhead), Robbie Rist (Mondo Gecko), JB Smoove (Bebop), Fred Tatasciore (Rocksteady), Gwendoline Yeo (Shini)
Written By: Brandon Auman
Directed By: Alan Wan
Ep: 104
Owari
Cast: Seth Green (Leonardo), Sean Astin (Raphael), Greg Cipes (Michelangelo), Rob Paulsen (Donatello), Mae Whitman (April), Hoon Lee (Splinter), Kevin Michael Richardson (Super Shredder), Josh Peck (Casey Jones), Kelly Hu (Karai), Eric Bauza (Tiger Claw), Phil LaMarr (Stockman-Fly), Christian Lanz (Fishface), JB Smoove (Bebop), Fred Tatasciore (Rocksteady)
