Caterina Scorsone, Kate Walsh, Taye Diggs

These are the guest stars and events that the networks have planned for the second week of November sweeps:

Monday, Nov. 14

8/7c
How I Met Your Mother (CBS)
Will Barney and Robin be able to keep their kiss a secret? They're going to try!

9/8c
Two and a Half Men (CBS)

Alan returns from the hospital and is faced with some tough challenges. Like new furniture.

10/9c
Hawaii Five-O (CBS)

A homeless Danno moves in with McGarrett. What could possibly go wrong?

20/20 (ABC)
Diane Sawyer interviews Rep. Gabrielle Giffords and her husband, astronaut Mark Kelly.

Tuesday, Nov. 15

8/7c
The Biggest Loser (NBC)
The contestants compete in a pentathlon with Olympic skater Apolo Ohno as their coach.

Glee (Fox)
Sue starts a smear campaign (shocking!) to take down Bert Hummel, her biggest competitor for the congressional seat.

9/8c
New Girl
(Fox)
Jess invites her work crush (guest star Justin Long) to the roommates' Thanksgiving dinner.

NCIS: Los Angeles (CBS)
Sam disappears in the Sudan while he's undercover.

10/9c
Unforgettable (CBS)

Marilu Henner (on whom the lead character Carrie is based) plays Carrie's estranged aunt to helps investigate her sister's murder.

Wednesday, Nov. 16

8/7c
Up All Night (NBC)
Reagan struggles with trying to fire her assistant (guest star Molly Shannon).

The X Factor (Fox)
We're finally down to the Top 10!

8:30/7:30c
Suburgatory (ABC)

So much for Tessa's wish to have a low-key birthday. Dallas wrangles Dalia to plan an over-the-top Sweet 16.

9/8c
Criminal Minds (CBS)

The team searches for Garcia's missing friend, whose daughter also disappeared seven years earlier.

Thursday, Nov. 17

8/7c
20/20 (ABC)
Katie Couric interviews Regis Philbin on the eve of his final Live with Regis and Kelly broadcast.

Community (NBC)
Dean Pelton directs a commercial starring the study group; Abed shoots a behind-the-scenes documentary about it.

9/8c
Private Practice (ABC)
In a special two-hour episode, the group rallies to save Amelia by staging an intervention. In rehab, she bonds with a younger patient (Disney starlet Debby Ryan).

9:30/8:30c
Whitney (NBC)
Whitney and Alex try to convince a dog-pound owner (guest star Lisa Lampanelli) that they'd be worthy adoptive parents.

Friday, Nov. 18

8/7c
Nikita (CW)
Uh oh! Berkhoff is captured and tortured after he refuses to reveal Nikita's whereabouts.

9/8c
CSI: NY (CBS)
Jo comes face-to-face with a dangerous rapist she might've helped acquit on an earlier charge.

10/9c
Blue Bloods (CBS)

Thanksgiving plans are thwarted when Henry suffers a heart attack.

Saturday, Nov. 19

8/7c
Beneath the Blue (CW)
The Vampire Diaries might be on hiatus, but you can still watch star Paul Wesley in this movie about a young activist fighting to protect the local dolphin population in the Bahamas.

Sunday, Nov. 20

8/7c
The Simpsons (FOX)
Homer cashes in on the tween craze by forming a team to write a novel. Andy Garcia voices the publisher.

American Music Awards (ABC)
Katy Perry, Justin Bieber and Nicki Minaj are scheduled to perform at this fan-voted awards show.

9/8c
The Good Wife (CBS)
Funny lady Amy Sedaris will not be making cheeseballs when she guest-stars as Eli Gold's no-nonsense new rival.