CALEB MAKES LINDSAY AN OFFER SHE CAN'T REFUSE ON "THE O.C." AIRING THURSDAY, JUNE 30, ON FOX

Rebecca is still in town paying her last respects to her father. Kirsten, growing more impatient with the time Sandy has been spending away from home, pays Rebecca a visit. Alex invites Marissa to hang out with her friends and suggests she bring Summer along. Marissa, not knowing how to explain her new relationship to Summer, starts to doubt that she should be in the relationship at all. Meanwhile, Caleb decides to remove all doubt that Lindsay is his daughter on "The Test" episode of THE O.C Thursday, June 30 (8:00-9:00 PM ET/PT) on FOX. (OC-213) (TV-TBA)

Cast: Peter Gallagher as Sandy Cohen, Benjamin McKenzie as Ryan Atwood, Mischa Barton as Marissa Cooper, Rachel Bilson as Summer, Adam Brody as Seth Cohen, Kelly Rowan as Kirsten Cohen, Melinda Clarke as Julie Cooper, and Alan Dale as Caleb Nichol.

Guest Cast: Olivia Wilde as Alex; Michael Cassidy as Zach; Shannon Lucio as Lindsay; Barry Newman as Professor Bloom and Kim Delaney as Rebecca.