Roots

S4, E6: Kath unravels a secret about her family's heritage. Sharon meets her long-lost half sister from England, Karen (Matt Lucas). Sharon is disappointed when Karen bonds with Kim. Kath looks into her Aboriginal heritage, but Kim isn't happy to find out about her ancestry. Kel is disappointed when his research fails to turn up any nobility amongst his ancestors, until Karen's wig and Kim's celebrity magazine suggest otherwise.