CBS has announced the summer premiere dates for returning series Under the Dome, Extantand Big Brother, as well as the new series Zoo.

Fall TV Scorecard: Which shows are returning? Which aren't?

Under the Dome moves to Thursday nights beginning with a two-hour premiere on June 25. Emmy winner Marg Helgenberger has booked a guest-starring role on the series, as part of an extended story arc that begins in the premiere.

Big Brother will return with a two-night premiere on Wednesday, June 24 and Thursday, June 25 at 8/7c, while Extant will kick off its second season on Wednesday, July 1 at 10/9c.

The new drama Zoo, starring James Wolk and based on James Patterson's novel of the same name, will bow on Tuesday, June 30 at 9/8c.

Check out CBS' full summer schedule below. Which shows are you most excited about?

Wednesday, June 24

8/7c: Big Brother (Season premiere, Night 1)

9/8c: Criminal Minds

10/9c: CSI: Cyber

Thursday, June 25

8/7c: Big Brother (Season premiere, Night 2)

9/8c: Under the Dome (Two-Hour Season 3 premiere)

Sunday, EffectiveJune 28

7/6c: 60 Minutes

8/7c: Big Brother

Tuesday, EffectiveJune 30

8/7c: NCIS

9/8c: Zoo (Series premiere)

10/9c: NCIS: New Orleans

Wednesday, EffectiveJuly 1

8/7c: Big Brother

9/8c: Criminal Minds

10/9c: Extant (Season 2 premiere)

Thursday, EffectiveJuly 2

8/7c: The Big Bang Theory

8:30/7:30c: The Odd Couple

9/8c: Big Brother (Regular Thursday time period premiere)

10/9c: Under the Dome

(Full disclosure: TVGuide.com is owned by CBS.)