CBS Summer 2015 Schedule

CBS has announced premiere dates for its lineup of original summer programing that includes the new drama Zoo, returning event series Under The Dome and Extant, and the summer reality hit Big Brother.

Zoo, a new drama based on the #1 bestselling novel by James Patterson, will premiere Tuesday, June 30 (9:00-10:00 p.m. ET/PT). In the series, a wave of violent animal attacks against humans begin taking place across the globe. As the assaults become more cunning, coordinated and ferocious, a young renegade biologist (James Wolk) is thrust into the race to unlock the pandemic’s mystery before there’s no place left for people to hide.

Big Brother debuts with a special two-night premiere on Wednesday, June 24 and Thursday, June 25, both at 8:00-9:00 p.m. ET/PT. The Thursday edition, featuring the live eviction show hosted by Julie Chen, moves to its regular time period on July 2 (9:00-10:00 p.m. ET/PT). The Sunday broadcast premieres June 28 (8:00-9:00 p.m. ET/PT). Last summer, all three editions of Big Brother regularly won their time periods in key young demographics and ranked among the summer’s top 10 programs in both adults 18-49 and adults 18-34.

CBS Renews 'Under The Dome' and 'Extant'

CBS announced today that the hit series Under The Dome and Extant will return for broadcast in summer 2015. Both from Steven Spielberg’s Amblin Television, Under The Dome returns for its third season, and Extant for its sophomore season.

"We're committed to delivering our viewers and advertisers year-round programming with a wide variety of storytelling," said Nina Tassler, Chairman, CBS Entertainment. "We continue to see summer as a great place for unique concepts, innovative business models and passionate television audiences."

'Under The Dome' Season 2 Finale Preview: Is There A Way Out?

Under The Dome wraps up its second season on September 22. Photo Credit: CBS

The second season finale of CBS' hit drama Under The Dome will air on Monday, September 22nd at 10 p.m. ET.

In the episode, titled "Go Now," a potential exit from the Dome is revealed just as the walls begin closing in on those trapped in Chester's Mill.

Watch a sneak peek in the videos below:

'Under The Dome' Preview: Big Jim Finally Learns What Happened to Pauline

Sherry Stringfield plays Pauline in Under The Dome.

The second season of his CBS serial Under The Dome continues with a new episode ("The Fall") on Monday, September 1 at 10 p.m. ET/PT.

Big Jim finally learns the shocking truth about what really happened to his wife, Pauline, when they are reunited. Meanwhile, climate change poses a new threat to Chester's Mill.

Watch sneak peek videos from the episode below:

CBS Television Studios Releases Comic-Con 2014 Schedule Including 'Under the Dome', 'Reign', & 'Scorpion' Panels

CBS Television Studios will introduce a team of brilliant misfits, let a few Chester’s Mill-ers out of the Dome and make way for a royal arrival with back-to-back panels at Comic-Con 2014 on Thursday, July 24 (11:15 a.m.-2 p.m.) in Ballroom 20. The events of the day will include an exclusive premiere screening of the highly anticipated new CBS series Scorpion, a special sneak peek of the global hit series Under The Dome and a glimpse of what's ahead for fan-favorite drama Reign. Additionally, don’t miss the debut of superhero-inspired Scorpion art created exclusively for Comic-Con.

'Under the Dome' Opens as the Summer's Most-Watched and Highest-Rated Scripted Program in Adults 18-49

The second season premiere of Under the Dome was Monday's top program and ranks as the summer's most-watched and highest-rated scripted program in adults 18-49, according to Nielsen preliminary live plus same day ratings for June 30.

At 10 p.m., Under the Dome was first in viewers (9.38m), adults 25-54 (2.9/08) and adults 18-49 (2.2/07). Under the Dome topped its nearest competitor by more than +3 million viewers (+49% over The Bachelor) and by +16% in adults 18-49 (over Masterchef).

Editor's Note: Season One of Under the Dome was one of the most time-shifted programs across all platforms. Under the Dome (all 13 episodes) in DVR playback had the highest playback audience (+3.834 million viewers) of any CBS show that aired during the 2012-13 broadcast year and the second-highest of any series on any network for the same period.

'Under the Dome' One-Hour Special to Air June 23

CBS will air Under the Dome: Inside Chester's Mill on Monday, June 23 at 10 p.m. ET/PT. This exclusive one-hour special looks back at the premiere season of the hit summer series, featuring highlights from last season as well as new interviews with the cast and executive producers. In addition, the special will tease what lies ahead for the residents of Chester's Mill who are still trapped under the mysterious dome with an advance sneak peek at the season two premiere.

Brett Cullen & Max Ehrich Join 'Under the Dome'; Stephen King to Make a Cameo

Lost and Devious Maids actor Brett Cullen has joined the cast of CBS summer drama Under the Dome. He will appear in a multi-episode arc as Don Barbara, the father of Mike Vogel's Barbie.

SPOILER ALERT...

The smooth, charming and powerful patriarch of the Barbara clan, Don runs a multi-national corporation. Barbie is shocked to find himself face-to-face with his father in an unforgettable turn of events.