- Seth MacFarlane (Peter Griffin / Brian Griffin / Stewie Griffin / Glenn Quagmire (voice))
- Alex Borstein (Lois Griffin / Tricia Takanawa / Loretta Brown / Barbara Pewterschmidt (voice))
- Mila Kunis (Meg Griffin (voice))
- Seth Green (Chris Griffin (voice))
- Patrick Warburton (Joe Swanson (voice))
- Arif Zahir (Cleveland Brown (voice))
Family Guy — S8E2
Episode: Family Goy
Air Date: 2009-10-04
Runtime: 22 min
Overview
When Lois finds a lump on her breast, she goes to the doctor to test for cancer. The tests come back benign, but the doctor looks at her family medical history and reveals some news about Lois' heritage.