SHOW 1 : Season Four is Canceled In the all-animated Season 4 Premiere Special, Ruff (who was fired at the end of Season 3) embarks on an epic journey to get his job back!
SHOW 3 : The RuffMeal™ Needs More Roughage Talia, Isaac, and Liza work with a chef to come up with a healthy lunch that doesn't use a lot of packaging. Bethany works with Keith Lockhart and the Boston Pops to learn how to be a conductor.
SHOW 6 : Finding Eight-Legged Tights Isn't Easy Ruff sends Sterling and Bethany out to meet an arachnologist to work in a spider lab, and gives Brian another daunting assignment – to become a ballet dancer!
SHOW 8 : Doggie Duties Liza and Sterling learn all about "dog duties." Bethany and Isaac learn about recycling liquids on the International Space Station.
SHOW 9 : How Not to Impress the Press Ruff sends all six FETCHers out to learn about turkey vultures, and then they head to an ad agency to figure out how to improve the turkey vulture's image.
SHOW 11 : Blossom Bawls While Ruff Has a Ball With Balls Ruff sends Talia and Liza to work with a physics teacher to invent a new game. Sterling goes to a baseball stadium to learn how to broadcast a baseball game on the radio.
SHOW 12 : Ruff Bounces Back Talia and Isaac must determine which dog breed is the most intelligent. Sterling and Brian learn to play wheelchair basketball.
SHOW 14 : Shrimp a la Cart Ruff sends Talia out to become a deckhand on a shrimp boat, while Bethany, Brian and Isaac learn how to drive racecars.
SHOW 15 : Ruff Needs His Herring Checked Isaac and Liza meet with an audiologist to find out everything they can about hearing. Sterling and Brian go to a cookie company to create a new kind of cookie.
SHOW 16 : Laser/Candid Camera Ruff sends Brian out to learn the ropes at a flower shop, but he also sends Isaac out disguised as an old lady to trick Brian. He then sends Talia and Sterling to learn about laser light and optics.
SHOW 17 : Ruff's Yard Sale Makes a Racket Ruff sends Liza and Talia to the headquarters of Wilson Sporting Goods to design a tennis racquet for him. Bethany and Brian head out to Brimfield Fair, the biggest flea market in the world!
SHOW 19 : How to Really Train Your Dog The six FETCHers board a mysterious train that is riddled with riddles that they must solve before time runs out!
SHOW 20 : Fetch Finale IV: The Prophecy Fulfilled! The FETCHers compete in the Grand Finale and a Season 4 Grand Champion is named!
SHOW 1 : Season Four is Canceled
SHOW 2 : Don't Like Fencing? Try Fencing!
SHOW 3 : The RuffMeal™ Needs More Roughage
SHOW 4 : Ruff Pigs Out and Has a Whale of a Time
SHOW 5 : Ruff's Just Fueling Around
SHOW 6 : Finding Eight-Legged Tights Isn't Easy
SHOW 7 : Ruff Rocks the (Environmentally Sustainable) House!
SHOW 8 : Doggie Duties
SHOW 9 : How Not to Impress the Press
SHOW 10 : How to Break the Ice and Also Waddle On It
SHOW 11 : Blossom Bawls While Ruff Has a Ball With Balls
SHOW 12 : Ruff Bounces Back
SHOW 13 : Is it a Bird? Is it a Plane? It's...Ruffmanman!
SHOW 14 : Shrimp a la Cart
SHOW 15 : Ruff Needs His Herring Checked
SHOW 16 : Laser/Candid Camera
SHOW 17 : Ruff's Yard Sale Makes a Racket
SHOW 18 : Gearing Up for Getting Ruff's Goat
SHOW 19 : How to Really Train Your Dog
SHOW 20 : Fetch Finale IV: The Prophecy Fulfilled!