Teenage Mutant Ninja Turtles: Season 4
Season 4 Lore Primer
Key plot threads, lore context, and character stakes you need to remember before diving into this season.
- Directly follows the overarching narrative developments of Teenage Mutant Ninja Turtles Season 3.
- Faction dynamics and core character alliances shift under escalating external stakes.
- Crucial mysteries introduced previously reach key turning points and narrative reckonings.
- Sets up serialized story arcs that build directly toward the climactic season finale.
Episode Guide
Season 4 Progress Shield
Cousin Sid
Sep 10, 2005 · 21 min
The Turtles hide out at Casey's farm to recover from their battle with the Shredder. However the ghosts of Casey's past come back to haunt him when his cousin Sid arrives with a ga
The Peoples' Choice
Sep 17, 2005 · 21 min
The Turtles bear witness to a rumble in the urban jungle between two alien princesses, fighting for the right to party and rule. Pistols at twenty paces. Tally ho.
A Wing and a Prayer
Sep 25, 2005 · 21 min
Ascending to new heights, the Turtles aid the winged warrior named Raptarr against the renegade Mephos to save the floating city of the Avians.
Sons of the Silent Age
Oct 1, 2005 · 21 min
The Turtles face a species of the deep, and when April gets too close to the action, she grasps a truth behind the current of environmental consequence.
Dragons' Brew
Oct 8, 2005 · 21 min
Casey and Leo investigate a series of large-scale robberies. Not surprisingly, Hun and the Purple Dragon are to blame. However one of their hauls is a crate that should never have
I, Monster
Oct 15, 2005 · 21 min
Casey and the Turtles are practising their hide-and-seek skills at an abandoned warehouse complex. All the while, a strangely familiar figure watches them from the shadows - with a
Grudge Match
Oct 22, 2005 · 21 min
A return to the Battle Nexus, a time to fight, is Mikey bound for glory once more?
All Hallows Theives
Oct 29, 2005 · 21 min
On Halloween night, a mustachioed man visits April, expressing interest in a rather unusual item: a hideous six-armed idol. But the statue is no ordinary junkshop knickknack; it ca
Bad Day
Nov 5, 2005 · 21 min
The Turtles learn first hand what it means to have a "Bad Shell Day" as calamity after calamity befalls them. This time the Turtles may not be able to save everybody...
Aliens Among Us
Nov 12, 2005 · 21 min
When the President of the United States arrives in New York City, an invasion of what seems to be aliens attacks at the most inconvenient time. However, the Turtles investigate thi
Dragons Rising
Nov 19, 2005 · 21 min
The Purple Dragons have evolved from a basic street gang to a smuggling syndicate that works throughout New York. Leonardo goes with Casey to put an end to Hun's plans. However, Ca
Still Nobody
Nov 26, 2005 · 21 min
The Turtles help Nobody protect an old man when he witnesses Jengo, leader of the Turks, harming a Turks member. Can the Turtles and Nobody stop the Turks?
Samurai Tourist
Dec 3, 2005 · 21 min
Usagi and Gen come to New York for a visit with the Turtles. Gen gets a little carried away by the bright lights of the big city and goes wandering off on his own. And if the moder
The Ancient One
Dec 10, 2005 · 21 min
It is time for Leonardo to move on. Splinter sends Leo to a new sensei, or rather, a very old sensei. The journey is long and perilous. Can Leonardo look into himself and find the
Scion of the Shredder
Feb 4, 2006 · 21 min
While Leonardo is in Japan studying with the Ancient One, Karai as the new Shredder makes her attack. Will Leo return to New York? Will he find out what happened to his home and hi
Prodigal Son
Feb 11, 2006 · 21 min
Leonardo returns from Japan to find the lair in ruins and his family nowhere to be seen. As he investigates he finds that the Foot is back to full strength - with Karai as their le
Outbreak
Feb 18, 2006 · 21 min
Bishop has too deal with the consequenses of his actions when people and animals all over New York starts mutating into horrible beasts after his "alien" invasion.
The Trouble with Augie
Feb 25, 2006 · 21 min
For several years April's uncle Augustus (aka Augie) has been missing.
A Tale of Master Yoshi
Mar 4, 2006 · 21 min
When the power goes out in their lair, the Turtles and Splinter gather around the candlelight as Leonardo tells a story he learned from the Ancient One about Splinter's sensei, Ham
The Return of Savanti (1)
Mar 11, 2006 · 21 min
Savanti Romero plots his revenge against the Turtles and Renet after they had him banished to the Cretaceous period. Using his magic to manipulate time, Romero lures the Turtles an
The Return of Savanti (2)
Mar 18, 2006 · 21 min
Having travelled to the past, the Turtles and Renet battle with Savanti Romero and his telepathically controlled dinosaurs as Savanti attempts to change the historic timeline by pr
Adventures in Turtlesitting
Mar 25, 2006 · 21 min
With the outbreak-mutant situation the Turtles feel they have to deal with and Donatello sick his brothers leave him with Casey and April for care. But Donatello is not sick but in
Good Genes (1)
Apr 1, 2006 · 21 min
With Donatello sick the Turtles are desperate. So desperate that they decide to try and sneak into Bishops facility, where they realize they have to make a deal with the devil if
Good Genes (2)
Apr 8, 2006 · 21 min
To cure Donatello the Turtles made a deal with the devil aka Bishop. Now they have to retrive a pendant that is supposed to help Bishop in his research. The thing is that the penda
The Ninja Tribunal
Apr 15, 2006 · 21 min
After the Turtles were able to cure Donatello's mutation, a group of ninjas confronts the Turtles to tell them about a battle between good and evil that will decide the fate of the