You will Watch Phineas and Ferb Season 1 Episode 9 online for free episodes with HQ / high quality. Stream cartoons Phineas and Ferb 109 One Good Scare Ought to Do It! Isabella has the hiccups and Phineas and Ferb build a haunted house to scare them away. Candace goes over to Jeremy’s house, but is interrupted by his little sister Suzy. Dr. Doofenshmirtz tries to help his mentor by destroying his lab.