2x8 - My Parents Are Aliens

Lucy's birthday is arriving, and she wants a party. While she thinks no-one is interested, the family is planning a secret party. When Sophie becomes pregnant, Josh is elected to give Brian 'The Talk' on the facts of life, with help from a book from the school library. However, Brian later becomes pregnant as well. Lucy plans a party with Wendy, will her friends come over, before Brian and Sophie's babies are born? And how will Lucy's party go?