CBS

• THE BIG BANG THEORY – When Wolowitz works Stephen Hawking, Sheldon is determined to meet the famous scientist.
• RULES OF ENGAGEMENT – Audrey raises funds to help her maid get an operation, but then learns misunderstood why the money was needed.
• PERSON OF INTEREST – When the machine names the dons of New York’s crime families, Reese and Finch suspect that Elias is targeting his competition.
• THE MENTALIST – Jane and the team try to find the killer of a well-liked teacher; a special delivery arrives for Rigsby.

NBC

• COMMUNITY – As a disagreement about pillows and blankets transforms into a war on campus, Jeff tries to negotiate a truce.
• 30 ROCK – Pete’s self-evaluation spurs Jack to take him on as a project; Tracy discovers he likes the way Liz smells.
• THE OFFICE (repeat)
• UP ALL NIGHT – Chris becomes jealous when Reagan starts working more cosely with Luke; Ava hires a trainer (Fred Armisen).
• AWAKE – A hostage situation leads to Britten unexpectedly collaborting with Dr. Lee.

FOX

• AMERICAN IDOL – Contestants face elimination; The Wanted performs; Jennifer Lopez premieres her new music video.
• TOUCH – Martin comes across a man who has a history with his late wife.

ABC

• MISSING – Becca’s CIA mentor (Keith Carradine) helps search for Paul’s assassin; Michael receives a warning.
• GREY’S ANATOMY – An escaped lion puts lives and relationships in danger; Teddy begins to come to terms with Henry’s death.
• SCANDAL – (series premiere) When a young lawyer starts a new job at a crisis management firm, she must deal with an accusation against the nation’s president on her first day.

CW

• THE VAMPIRE DIARIES (repeat)
• THE SECRET CIRCLE (repeat)

MTV

• PUNK’D – Bam Margera pranks Tyler the Creator; Ronnie Ortiz-Magro; Tyler Posey.
• THE PAULY D PROJECT – Ryan’s fightm akes everyone tense; Ryan melts down.