1. Grey's Anatomy - Fans frustrated with the famous "will they or won't they" Mer-Der relationship will finally get their fix this season, as creator Shonda Rhimes promises that because of Meredith's romantic gesture, they are in fact together for good; however, she cautions happily ever after isn't always easy. Another question the new season promises to answer: Are the writers really going to give Izzie a deadly brain tumor to punish her real life counterpart Katherine Heigl for criticizing their writing last season? Find out on ABC, Thursday at 9 p.m.
2. How I Met Your Mother - Will Stella accept Ted's impulsive proposal? Main plot lines aside, be sure to watch out for the hilarious antics of his know-it-all best friend Barney, played by the Emmy-nominated Neil Patrick Harris. As Barney would say, the new season looks to be legen - wait for it - dary. Tune in on CBS, Monday at 8:30 p.m.
3. The Office - Everyone's favorite office drama is back with its trademark awkward-funny moments. New season highlights include the results from Dunder Mifflin's Biggest-Loser-esque challenge. Highly relatable office humor - who hasn't had an in-office romance or crazy boss? - makes this show is a must-see. Tune in to NBC, Thursday at 9 p.m.