What Disney Channel show is Chynna Phillips' half-sister known for?
Chynna Phillips:  She is also the daughter of The Mamas & the Papas band members John and Michelle Phillips, and the half-sister of Mackenzie Phillips and Bijou Phillips. Mackenzie Phillips: Laura Mackenzie Phillips (born November 10, 1959) is an American actress and singer best known for her roles in "American Graffiti", as rebellious teenager Julie Mora Cooper Horvath on the sitcom "One Day at a Time", and for the Disney Channel science fiction show "So Weird".
So Weird