New Friend, Old Enemy 1 Season 4 Episode

Episode #1

Rise of the Turtles (1)

Episode #2

Rise of the Turtles (2)

Episode #3

Turtle Temper

Episode #4

New Friend, Old Enemy

Episode #5

I Think His Name Is Baxter Stockman

Episode #6

Metalhead

Episode #7

Monkey Brains

Episode #8

Never Say Xever

Episode #9

The Gauntlet

Episode #10

Panic in the Sewers

Episode #11

Mousers Attack!

Episode #12

It Came From The Depths

Episode #13

I, Monster

Episode #14

New Girl in Town

Episode #15

The Alien Agenda

Episode #16

The Pulverizer

Episode #17

TCRI

Episode #18

Cockroach Terminator

Episode #19

Baxter's Gambit

Episode #20

Enemy of My Enemy

Episode #21

Karai's Vendetta

Episode #22

The Pulverizer Returns!

Episode #23

Parasitica

Episode #24

Operation: Break Out

Episode #25

Showdown (1)

Episode #26

Showdown (2)