What to Watch: Thursday, May 6

The L Word's Mia Kirshner drops by The Vampire Diaries, and Dwight does some detective work on The Office. Thursday, May 6

Mia Kirshner has some business to take care of on The Vampire Diaries

8:00 pm The Vampire Diaries, The CW (1 hr) NEW Elena’s vampire mother Isobel (former L Word star Mia Kirshner) comes back to Mystic Falls for a visit looking for something more than a reunion. Created by out screenwriter, Kevin Williamson. 8:00 pm FlashForward, ABC (1 hr) NEW Demetri and Banks are on the hunt for a murderer, while Simon asks Mark for help finding his sister. Features lesbian FBI agent, Janis. 8:00 pm Bones, Fox (1 hr) NEW Bones and Brennan learn about Wiccans in order to crack a case involving two corpses found in a cabin. Features bisexual forensic artist, Angela. 9:00 pm The Office, NBC (30 min) NEW Michael asks Dwight to spy on his girlfriend because he suspects she is cheating, and Andy gets angry when no one (including gay accountant Oscar) cares about a complaint he receives from a customer. 9:00 pm Grey’s Anatomy, ABC (1 hr) NEW Bailey conducts a training session for an incoming obese patient who has several serious medical problems. Also, Derek deals with a patient’s husband who died unnecessarily while at Seattle Grace, and old memories are dug up after Christina spends time with a patient’s daughter.