VIDEO: 1st look at 3 ABC sci-fi series we'll be watching next fall

ABC announced its fall TV schedule today and released trailers for its new series, which feature aliens, an evil apartment building and global conflict. No doubt the success of the fairy-tale-themed Once Upon a Time, which has been renewed for a second season, has inspired ABC to get creative.

Here's a look at the ABC shows:

The Neighbors, a sitcom about a family that moves into a gated community filled with aliens, will have a prime spot at 9:30 p.m. ET after the popular Modern Family in ABC's Wednesday night comedy block. The series stars Jami Gertz and Lenny Venito.

Here's a preview:

Last Resort, about the crew of a sub that ends up on the run and eventually setting up their own independent nation, will air on Thursday nights at 8 p.m. before Grey's Anatomy. The show stars Andre Braugher and Scott Speedman.

Here's a preview:

666 Park Avenue heads to Sunday nights at 10 p.m. after Once Upon a Time and Revenge, and brings Lost's Terry O'Qunn back to the small screen as the owner of a mysterious apartment building who hires a couple to manage the building. The problem: That building just might be evil. The series also stars Rachael Taylor, Dave Annable and Vanessa Williams.

Here's a preview:

Zero Hour, which is planned for midseason, is about the publisher of a paranormal enthusiast magazine who's wife is abducted and his journey to weed through one of the most compelling mysteries in human history in an effort to find her. The show stars Anthony Edwards, Carmen Ejogo and Scott Michael Foster.

Here's a preview:

Here's the fall schedule:

ABC FALL 2012-13 SCHEDULE (New shows are in bold):

MONDAY
8 p.m. - Dancing with the Stars
10 p.m. - Castle

TUESDAY
8 p.m. - Dancing with the Stars the Results Show
9 p.m. - Happy Endings
9 p.m. - Don't Trust the B----- In Apartment 23
10 p.m. - Private Practice

WEDNESDAY
8 p.m. - The Middle
8:30-9 p.m. - Suburgatory
9 p.m. - Modern Family
9:30 p.m. - The Neighbors
10 p.m. - Nashville

THURSDAY
8 p.m. - Last Resort
9 p.m. - Grey's Anatomy
10 p.m. - Scandal

FRIDAY
8 p.m. - Shark Tank
9 p.m. - Primetime: What Would You Do?
10 p.m. - 20/20

SATURDAY
Saturday Night College Football

SUNDAY
7 p.m. - America's Funniest Home Videos
8 p.m. - Once Upon a Time
9 p.m. - Revenge
10 p.m. - 666 Park Avenue

What will you watch?

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