"Happy Endings"

COMEDY. There are endings (a newly unemployed Brad) and beginnings (Dave and Alex are on again) as Season 3 of this underrated sitcom premieres. Also: Penny winds up in a body cast, because it's funny.

Season premiere, 9 p.m., ABC

"Don't Trust the B---- in Apt. 23"

COMEDY. James Van Der Beek ponders participating in a "Dawson's Creek" reunion. Emancipated Katie Holmes — are you listening?!

Season premiere, 9:30 p.m., ABC

"Raising Hope"

COMEDY. Jimmy and Sabrina attend a prenuptial marriage retreat. So do their parents, including Sabrina's mom's new boy toy (guest star Wilmer Valderrama).

8 p.m., Fox

"Pretty Little Liars"

DRAMA. The teens once again take part in a Halloween party that puts Heidi Klum's lavishly spooky annual affair to shame — mostly because "A" makes sure the screams here are always real.

8 p.m., ABC Family