8/7c – CBS – The Big Bang Theory – Season 6 Premiere. With his friends on dates, Raj must face his loneliness. Also, Wolowitz gets caught in an argument between Bernadette and his mom, even while he’s in space.

8/7c – ABC – Last Resort – Series Premiere. 500 feet beneath the ocean’s surface, the U.S. ballistic missile submarine Colorado receive their orders. Over a radio channel, designed only to be used if their homeland has been wiped out, they’re told to fire nuclear weapons at Pakistan. Captain Marcus Chaplin (Andre Braugher) demands confirmation of the orders only to be unceremoniously relieved of duty by the White House. XO Sam Kendal (Scott Speedman) finds himself suddenly in charge of the submarine and facing the same difficult decision. When he also refuses to fire without confirmation of the orders, the Colorado is targeted, fired upon, and hit. The submarine and its crew find themselves crippled on the ocean floor, declared rogue enemies of their own country. Now, with nowhere left to turn, Chaplin and Kendal take the sub on the run and bring the men and women of the Colorado to an exotic island. Here they will find refuge, romance and a chance at a new life, even as they try to clear their names and get home.

8:30/7:30c – CBS – Two & A Half Men – Season 10 Premiere. Walden plans a big surprise for Zoey’s birthday.

9/8c – ABC – Grey’s Anatomy – Season 9 Premiere. The doctors of Seattle Grace are faced with the aftermath of last season’s plane crash. As they try to move on with their lives, they must learn to adapt to the changes, cope with their losses and move forward with their relationships and careers.

9/8c – CBS – Person of Interest – Season 2 Premiere. With Finch missing – kidnapped by his hacker nemesis, Root, in last season’s finale cliffhanger – Reese enlists Detectives Carter and Fusco to get his friend back.

10/9c – CBS – Elementary – Series Premiere. Detective Sherlock Holmes, along with his sober companion, Dr. Joan Watson, uses his uncanny ability to read people and analyze crimes to aid the NYPD on some of their more difficult cases.

10/9c – ABC – Scandal – Season 2 Premiere. Quinn’s identity is finally revealed, and the more the Pope & Associates team learn about her past, the more they realize she could be their biggest scandal yet. Meanwhile, a senator seeks Olivia’s help when his personal life is about to become a public disgrace, and President Fitz is stuck between a rock and hard place when Mellie and Cyrus put him in a very compromising position during a live television interview.