That Sinking Feeling

1 The Lake Nose Monster 2 Interview with a Platypus 3 Tip of the Day 4 Attack of the 50 Foot Sister 5 Backyard Aquarium 6 Day of the Living Gelatin! 7 Elementary, My Dear Stacy 8 Don't Even Blink 9 Chez Platypus 10 Perry Lays an Egg 11 Gaming the System 12 The Chronicles of Meap 13 Thaddeus and Thor 14 De Plane! De Plane! 15 Let's Take a Quiz 16 At the Car Wash 17 Oh, There You Are, Perry! 18 Swiss Family Phineas 19 Hide and Seek 20 That Sinking Feeling 21 The Baljeatles 22 Vanessassary Roughness 23 No More Bunny Business 24 Spa Day 25 Phineas and Ferb's Quantum Boogaloo 26 Phineas and Ferb's Musical Cliptastic Countdown 27 Bubble Boys 28 Isabella and the Temple of Sap 29 Cheer Up, Candace 30 Fireside Girl Jamboree 31 The Bully Code 32 Finding Mary McGuffin 33 Picture This 34 Nerdy Dancin' 35 What Do It Do 36 Atlantis 37 Phineas and Ferb Christmas Vacation 38 Just Passing Through 39 Candace's Big Day 40 I Was a Middle Aged Robot 41 Suddenly Suzy 42 Undercover Carl 43 Hip Hip Parade 44 Invasion of the Ferb Snatchers 45 Ain't No Kiddie Ride 46 Not Phineas and Ferb 47 Phineas and Ferb-Busters 48 The Lizard Whisperer 49 Robot Rodeo 50 The Beak 51 She's the Mayor 52 The Lemonade Stand 53 Phineas and Ferb Hawaiian Vacation (1) 54 Phineas and Ferb Hawaiian Vacation (2) 55 Phineas and Ferb: Summer Belongs to You! 56 Nerds of a Feather 57 Wizard of Odd 58 We Call it Maze 59 Ladies and Gentlemen, Meet Max Modem! 60 The Secret of Success 61 The Doof Side of the Moon 62 Split Personality 63 Brain Drain 64 Rollercoaster: The Musical! 65 Make Play 66 Candace Gets Busted