The Case of the Missing Caterpillar (S02E12)

S02E01 A New Pup in Town S02E02 The Last Pup-icorn S02E03 Keia's New Doghouse S02E04 The Fang Fairy S02E05 Land of the Rising Pup S02E06 ARF-CHOO S02E07 One Small Ruff for Pup-kind S02E08 The Lost Bouncy Ball S02E09 The Total Yodel S02E10 Bob's Birthday Wish S02E11 Operation: Dinner S02E12 The Case of the Missing Caterpillar S02E13 A Santa for Bob S02E14 Snowman Secret Service S02E15 Lemur Play S02E16 How the Dog Park Was Won S02E17 Windy City S02E18 Sham-pooch S02E19 Valentine Surprise S02E20 Bright Lights, Pup City S02E21 Dinner Thief On The Puppytown Express S02E22 O' Brother, Where Arf Thou S02E23 Duck, Duck, Dog S02E24 Mr. Bob Goes To Washington S02E25 Speedy As A Cheetah S02E26 The Soup Search S02E27 Cousin Cody S02E28 Hissy's Lost Toy S02E29 Keep on Food Truckin' S02E30 Pupigan's Island S02E31 What to Expect When You're Egg-specting S02E33 No Bones About It S02E35 Fantastic Pet Force S02E37 Wonder-Bob S02E39 Father's Day Countdown S02E41 The Bark Bowl S02E43 Adopt-A-Palooza S02E45 Take Your Dog to Work Day S02E47 Double Doggie Dare! S02E49 Bob's Dream Vacation S02E51 I Heart Rufus S02E53 Desert Pups S02E55 Cuckoo for Cuckoo Clocks S02E57 How ARF Got His Bark Back S02E59 To the Library!