CBS to air Under the Dome: Inside Chester’s Mill ahead of season 2 premiere

Last Updated on August 2, 2021

The CBS summer series and ratings hit "Under the Dome" is set to return for its sophomore season on June 30, but if you've been living under a dome of your own and haven't been able to catch up on the show or just want a refresher of last seasons events, CBS has something special coming to us a week earlier with "Under the Dome: Inside Chester's Mill".

This one-hour special, which airs on June 23 at 10pm/eastern, 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.

"Under the Dome" stars Mike Vogel (Barbie), Colin Ford (Joe), Alexander Koch (Junior), Rachelle Lefevre (Julia), Natalie Martinez (Linda), Dean Norris (Big Jim), Mackenzie Lintz (Norrie), and Britt Robertson (Angie). The new season's newcomers include Brett Cullen, Sherry Stringfield, Eddie Cahill, Grace Victoria Cox, Karla Crome, Dwayne Boyd, and Dwight Yoakam.

We've also got the synopsis for the season 2 premiere, titled 'Heads Will Roll', below.

"Under the Dome" Episode 2×01 – "Heads Will Roll" 

Barbie’s fate lies in Big Jim’s hands, and the Dome presents a new threat when it becomes magnetized. Meanwhile, Julia seeks out the help of a stranger to save the life of a mysterious girl who may hold clues to origin of the Dome.

The premiere episode was written by bestselling author and executive producer Stephen King, who also makes a cameo appearance, and was filmed on location in Wilmington, N.C. Eddie Cahill and Karla Crome join the cast as series regulars.

"Under the Dome: Inside Chester's Mill" airs on June 23 at 10pm/eastern. Season 2 of the summer series kicks off on June 30.