David Arquette ribs his 'Dancing with the Stars' castmate in 'Plead the Fifth.'
Part I: David Arquette discusses his split from Courteney Cox.
Part II: Busy Philipps talks about her writer husband and past movies with David.
Part III: David Arquette talks about his first time and past famous high school alumnus.
Part IV: Busy, David, Sandra, and Andy confess on what turns them on for Valentine's Day.
Sandra Bernhard takes a trip down memory lane in 'Sandrology.'
Busy Philipps says Katie Holmes hasn't changed since marrying Tom Cruise.