“The Carrie Diaries,” 7 p.m., CW (new)
The second season starts with Carrie finally meeting Samantha Jones in Manhattan.
“The Neighbors,” 7:31 p.m., ABC (new)
The Weavers look forward to their first Halloween in the suburbs, but the Zabvronians are suspicious of the holiday.
“Hawaii Five-0,” 8 p.m., CBS (new)
Catherine’s surveillance job turns deadly, while Adam considers making the ultimate sacrifice.
“Grimm,” 8 p.m., NBC (new)
In the third-season opener, Juliette, Monroe, Rosalie and Hank fight off zombies while Capt. Renard tries to rescue Nick.
“Shark Tank,” 8 p.m. to 9:01 p.m., ABC (new)
One entrepreneur gets an unprecedented amount for a deal.
“Blue Bloods,” 9 p.m., CBS (new)
A kidnapped girl’s parents deny that she was abducted.
“Dracula,” 9 p.m., NBC (new)
This vampire drama premieres with Alan Grayson (Jonathan Rhys Meyers, above) arriving in England and becoming infatuated with a woman who resembles his dead love.