Happy Birthday, Isabella

1 For Your Ice Only 2 Happy New Year! 3 Fly on the Wall 4 Bully Bust 5 My Sweet Ride 6 Der Kinderlumper 7 Sidetracked 8 Primal Perry 9 Mind Share 10 Backyard Hodge Podge 11 Bee Day 12 Bee Story 13 Great Balls of Water 14 Where's Pinky? 15 Phineas and Ferb's Musical Cliptastic Countdown Hosted by Kelly Osbourne 16 Knot My Problem 17 Just Desserts 18 La Candace-Cabra 19 Happy Birthday, Isabella 20 Love at First Byte 21 One Good Turn 22 Phineas and Ferb: Mission Marvel 23 Thanks But No Thanks 24 Troy Story 25 Druselsteinoween 26 Terrifying Tri-State Trilogy of Terror 27 Face Your Fear 28 Cheers for Fears 29 Steampunx 30 Just Our Luck 31 Return Policy 32 Live and Let Drive 33 Phineas and Ferb Save Summer 34 Father's Day 35 Imperfect Storm 36 The Return of the Rogue Rabbit 37 It's No Picnic 38 The Klimpaloon Ultimatum 39 Operation Crumb Cake 40 Mandace 41 Phineas and Ferb: Star Wars 42 Lost in Danville 43 The Inator Method 44 Night of the Living Pharmacists 45 Tales from the Resistance: Back to the 2nd Dimension 46 Doof 101 47 Act Your Age 48 Last Day of Summer