Ghosts: The Possession of Button House review – new levels of giddiness unleashed in spooky spin-off

<p>Picking up not long after the events of the final episode of the BBC’s haunted house comedy, this glorious new film is every bit as warm and comforting as the TV sitcom</p><p>What on earth is happening at Button House? Kitty has tasered a police officer. Fanny is pulling down he