Well, it's about time.
Leonard Nimoy finally makes an appearance on "The Big Bang Theory," and haunts Sheldon's dreams as Mr. Spock after Sheldon breaks Leonard's "Star Trek" toy. We wonder what advice Spock might give Sheldon. Perhaps it will be one of his famous sayings? - "It is curious how often you humans manage to obtain that which you do not want."
Catch this special episode on March 29 at 8 p.m. ET on CBS. Here's what else you shouldn't miss this week:
- Catch the season one finale of "Alcatraz" at 8 p.m. ET on Fox, where Rebecca and Doc come close to understanding why the criminals are returning.
- Watch an all-new episode of "Smash" at 10 p.m. ET on NBC, where Derek plans to steal the musical and Eileen's daughter makes a surprise visit.
- Also, catch an all-new episode of "Castle" at 10:01 p.m. ET on ABC, when five people are killed during a protest rally and Castle and Beckett investigate.
- Catch new episodes of "Raising Hope," "New Girl" and "Breaking In" starting at 8 p.m. ET on Fox.
- Watch an all-new episode of "The Biggest Loser" at 8 p.m. ET on NBC.
- Books to release this week: "Drift: The Unmooring of American Military Power" by Rachel Maddow, "Guilty Wives" by James Patterson, "The Big Miss: My Years Coaching Tiger Woods" by Hank Haney, "Betrayal" by Danielle Steel and "Barefoot Season" by Susan Mallery.
- Movies coming out on DVD and Blu-ray include: "Alvin and the Chipmunks: Chipwrecked," "Extremely Loud & Incredibly Close" and "A Dangerous Method." Movies being re-released on Blu-ray are; "The Bodyguard," "Confucius" and "Casablanca."
- Albums to release this week: "MDNA" by Madonna, "Tuskegee" by Lionel Richie, "The Hunger Games: Original Motion Picture Score" by James Newton Howard, "Flying Colors" by Flying Colors and "Steadfast" by Clay Aiken.
- Watch the season one finale of "Whitney" as Alex and Whitney head to tie the knot, only to find out that Whitney's driver's license has expired. The finale airs at 8 p.m. ET on NBC.
- Then catch a new episode of "Are You There, Chelsea?" followed by an hour-long episode of "Bent," starting at 8:30 p.m. ET on NBC.
- See which finalist goes home on "American Idol" at 8 p.m. ET on Fox.
- Keep the good ratings up for "Community" by catching an all-new episode of the show at 8 p.m. ET on NBC. In part one, a new sandwich shop opens in the cafeteria and Abed and Troy battle over competing blanket forts.
- Stevie Nicks guest stars as herself on "Up All Night" at 9:30 p.m. ET on NBC.
- Rita Wilson will trace her ancestry back to Greece and Bulgaria on a new episode of "Who Do You Think You Are?" at 8 p.m. ET on NBC.
- If you've recovered from "The Hunger Games" madness last week, check out these new releases: "Wrath of The Titans," starring Sam Worthington, Liam Neeson and Ralph Fiennes, "Mirror Mirror," starring Lily Collins, Julia Roberts and Armie Hammer, "Goon," starring Seann William Scott and Liev Schreiber, the controversial documentary "Bully" and "Dark Tide," starring Halle Berry and Olivier Martinez.