18:50CBeebies Bedtime StoriesExtrasEpisode 394: Peter Serafinowicz - Happiness Is a Watermelon on Your HeadCBeebies Tue 31st Dec 2013, 18:50 on CBeebies HDAn exciting story read by a special guest. Peter Serafinowicz reads Happiness Is a Watermelon on Your Head.ContributorsParticipant:Peter SerafinowiczAuthor:Daniel HahnIllustrator:Stella DreisPublisher:Phoenix YardGenresChildren'sEntertainment & ComedyLearningPre-SchoolFormatsReadingsBrandCBeebies Bedtime StoriesSeriesCBeebies Bedtime Stories: Extras Source: BBC Online