Primetime Preview: Sharon Lawrence on Grey's Anatomy

It's (sort of) Bring Your Parents to Work day tonight on Grey's Anatomy. Izzie's mom and Meredith's dad both show up on tonight's episode. Here's what else you can enjoy across the primetime dial...

• 8:00 p.m. - Booth tries to help his brother on Bones (Fox); Davis is on the attack on Smallville (The CW); there's an Easter Egg hunt on Ugly Betty (ABC); Geraldo Rivera guest stars on My Name is Earl (NBC).
• 8:30 p.m. - Andy has a surprise for Ann on Parks & Recreation (NBC).
• 9:00 p.m. - It's casual Friday on The Office (NBC); Susan Lawrence guest stars on Grey's Anatomy (ABC); there might be an outbreak on CSI (CBS).
• 9:30 p.m. - The return of Jack's mother on 30 Rock (NBC).
• 10:00 p.m. - Lydia offends Clarke on Southland (NBC); the season finale of Private Practice (ABC).