My Parents Are Aliens (1999) : 7x19

Sophie has discovered how pollen from flowers can give you hay fever and almosts destroys all plants. But with an explanation from Lucy about how flowers are good for the atmosphere and for bees to make honey, Sophie decides to set up a bee sanctuary in the house. Meanwhile, Brian (morphed as Josh) has ruined Josh's reputation by becoming Mr. Whiteside's school monitor and putting people like Harry, Frankie and his date Tania Thomas in detention.