Henry is showing Ella his book about Bats and telling her how much he likes them when the twins arrive dressed up as ghosts to remind them that Halloween is tonight. So, Ella and Henry dress up in costumes to join the twins in the playhouse. The problem is that Henry is frightened of witches and ghosts so is too afraid to go into the playhouse now it's dark. Suddenly a bat flies into the playhouse and Mrs Berg and the twins are absolutely terrified. Ella calls Henry because she knows that he likes bats but, can Henry overcome his fear and sort things out?