'The Vampire Diaries'
Elena returns to school for her sophomore year of college. Given all the shenanigans in her personal life (constant death and destruction, turning into a vampire, etc), it's a wonder she manages to get her homework done.
SEASON PREMIERE, 8 p.m., CW
An adaptation of British murder mystery series "Broadchurch," the American version stars Anna Gunn of "Breaking Bad," and former "Dr. Who" David Tennant.
SERIES PREMIERE, 9 P.M., FOX
'A to Z'
A rom-com telling the story of a romance between Andrew, a romantic working at an online dating company, and Zelda, an idealistic lawyer.
SERIES PREMIERE, 9:30 p.m., NBC
'Jimmy Kimmel Live'
"Grey's Anatomy" star Ellen Pompeo stops by to talk about being part of the Shonda Rhimes empire.
10 p.m., ABC