The Grass Route 4 Season 21 Episode

Episode #1

A Goldenrod Opportunity

Episode #2

A Dairy Tale Ending

Episode #3

Air Time!

Episode #4

The Bug Stops Here

Episode #5

Type Casting

Episode #6

Fossil Fools

Episode #7

Carrying On!

Episode #8

Hassle in the Castle

Episode #9

Two Hits and a Miss

Episode #10

A Hot Water Battle

Episode #11

Hook, Line, and Stinker

Episode #12

Beauty and the Breeder

Episode #13

A Better Pill to Swallow

Episode #14

Power Play!

Episode #15

Mountain Time

Episode #16

Wobbu-Palooza!

Episode #17

Imitation Confrontation

Episode #18

The Trouble with Snubbull

Episode #19

Ariados, Amigos

Episode #20

Wings 'N' Things

Episode #21

The Grass Route

Episode #22

The Apple Corp!

Episode #23

Houndoom's Special Delivery

Episode #24

A Ghost of a Chance

Episode #25

From Ghost to Ghost

Episode #26

Trouble's Brewing

Episode #27

All That Glitters!

Episode #28

The Light Fantastic

Episode #29

UnBEARable

Episode #30

Moving Pictures

Episode #31

Spring Fever

Episode #32

Freeze Frame

Episode #33

The Stolen Stones!

Episode #34

The Dunsparce Deception

Episode #35

The Wayward Wobbuffet

Episode #36

Sick Daze

Episode #37

Ring Masters

Episode #38

The Poké Spokesman

Episode #39

Control Freak!

Episode #40

The Art of Pokémon

Episode #41

The Heartbreak of Brock

Episode #42

Current Events

Episode #43

Turning Over a New Bayleef

Episode #44

Doin' What Comes Natu-rally

Episode #45

The Big Balloon Blow-Up

Episode #46

The Screen Actor's Guilt

Episode #47

Right On, Rhydon!

Episode #48

The Kecleon Caper

Episode #49

The Joy of Water Pokémon

Episode #50

Got Miltank?

Episode #51

Fight for the Light!

Episode #52

Machoke, Machoke Man!