TV series
A small town is suddenly and inexplicably sealed off from the rest of the world by an enormous transparent dome. While military forces, the government and the media positioned outside of this surrounding barrier attempt to break it down, a small group of people inside attempt to figure out what the dome is, where it came from, and when (and if) it will go away.
Streaming, rental and purchase options
Checked Jul 22, 2026
Under the Dome is available to stream on Paramount+, Paramount+ (Via Amazon Prime), and Paramount+ (Via Apple TV) in United States. You can also buy it from Amazon. Use the direct links below to open the provider.
A small town is suddenly and inexplicably sealed off from the rest of the world by an enormous transparent dome. While military forces, the government and the media positioned outside of this surrounding barrier attempt to break it down, a small group of people inside attempt to figure out what the dome is, where it came from, and when (and if) it will go away.
Choose an episode, then use the watch options above for the show.
Episode 1
A year after the dome disappears, Barbie, Joe, and the other townspeople gather for a memorial. A year earlier, Julia and Junior try to rescue Barbie and the others, but run afoul of Big Jim.
Directed by Peter LetoWritten by Adam SteinGuest stars Aisha Hinds, John Elvis, Grace Victoria Cox, Marg Helgenberger, Ryan Shams, Max Ehrich, Brian Stapf, Nicholas McNeil
Episode 2
Barbie investigates Ben's claim that something strange is going on in Chester's Mill, but Eva surprises him with unexpected news. Meanwhile, Norrie and Hunter grow closer, and Christine advises Joe to move on.
Directed by Peter WellerWritten by Tim SchlattmannGuest stars John Elvis, Grace Victoria Cox, Brett Cullen, Marg Helgenberger, Max Ehrich, Ryan Shams, Shelton Grant, Eriq La Salle
Episode 3
The residents of Chester’s Mill try to move on with their lives in the aftermath of their mysterious experience in the tunnels beneath town. Meanwhile, Big Jim suspects new residents Christine and Eva are keeping secrets concerning the Dome.
Directed by Olatunde OsunsanmiWritten by Alexandra McNallyGuest stars John Elvis, Grace Victoria Cox, Marg Helgenberger, Max Ehrich, Shane Callahan, Bess Rous, Jack Champion, Clam Sepulveda
Episode 4
Under the guise of helping Chester’s Mill rebuild, Christine urges the townspeople towards specific individuals and projects that remind them of their experience in the tunnels. Also, Julia and Big Jim make shocking discoveries that reveal a new threat within the Dome.
Directed by Edward OrnelasWritten by Cathryn HumphrisGuest stars Marg Helgenberger, Max Ehrich, Mike Whaley, Andrew J. West, Frank Whaley, Matthew Warzel, Bess Rous
Episode 5
Big Jim and Julia form a tentative alliance to search for proof that will discredit Christine, which leads them to new information about the Dome’s capabilities. Meanwhile, when tensions run high in town and threaten Christine’s leadership, she puts a plan in play that has deadly consequences.
Directed by David BarrettWritten by Bronwyn GarrityGuest stars Marg Helgenberger, Max Ehrich, Andrew J. West, Frank Whaley, Bess Rous
Episode 6
When Big Jim is captured by Aktaion, the dangerous private corporation that’s descended on Chester’s Mill to harness the Dome’s energy capabilities, he’s forced to manipulate Christine for information about her agenda. Also, when Joe and Norrie question the town’s new rules, they find themselves in a dangerous face-off with the increasingly unstable residents.
Directed by Sergio Mimica-GezzanWritten by Andres Fischer-CentenoGuest stars Aisha Hinds, Marg Helgenberger, Max Ehrich, Frank Whaley, Shane Callahan, Scott Parks, Tia Hendricks
Episode 7
As the world outside the Dome is rocked by a catastrophic meteor shower, unexpected alliances form inside the barrier. Eva tries to indoctrinate Barbie deeper into The Kinship and Big Jim and Julia turn to one another while isolated on Bird Island outside of town. Also, Joe is forced to accept help from Sam, the man who killed his sister.
Directed by David BarrettWritten by Peter CallowayGuest stars Max Ehrich, Gia Mantegna, Tia Hendricks
Episode 8
Big Jim, Julia, Joe, Norrie and Hunter join together to form a resistance against Christine, who is mobilizing residents to work on a massive excavation project in the caves underneath the town. Also, Hunter uses his tech skills to contact the outside world.
Directed by Sam HillWritten by James C. Oliver, Sharla OliverGuest stars Aisha Hinds, Marg Helgenberger, Max Ehrich, Gia Mantegna
Episode 9
Big Jim and Julia devise plans to end Christine’s control over the town by initiating a life-or-death plot involving Barbie and Eva, while Joe and Norrie conduct research to better understand the Dome’s ultimate agenda. Meanwhile, Hunter finds more information about the true head of Aktaion, the nefarious private corporation that wants to harness the Dome’s energy.
Directed by Eriq La SalleWritten by Mark Bruner, Tim SchlattmannGuest stars Megan Ketch, Marg Helgenberger, Max Ehrich, Hannah Jelinovic, Vince Foster
Episode 10
The Resistance, the citizens not under Christine’s control, join forces with an unexpected ally: Hektor Martin, the nefarious head of Aktaion. Despite Hektor revealing more about the Dome’s origins and helping to strike back at it, Big Jim and Julia still worry he will betray them. Meanwhile, Hunter receives encrypted files that give disturbing insights into the final effect the Dome will have on the infected townspeople.
Directed by Dennie GordonWritten by Andres Fischer-Centeno, Alexandra McNallyGuest stars Megan Ketch, Max Ehrich, Eriq La Salle, Shane Callahan, Gia Mantegna, Allie McCulloch, Roger Floyd, Paul McCrane
Episode 11
Members of The Resistance race to release their loved ones from Christine’s influence before she reaches her end game for the Dome. While Barbie risks everything in an attempt to free Eva from the Kinship, Big Jim and Julia are enlisted by Hektor, the head of Aktaion, to test a possible cure for infected townspeople. Also, Joe chooses to work with Christine after she shares some shocking information about the entity behind the Dome.
Directed by Lee RoseWritten by Adam Stein, Peter CallowayGuest stars Marg Helgenberger, Max Ehrich, Eriq La Salle, Gia Mantegna, Allie McCulloch, Roger Floyd, Vince Foster
Episode 12
When the Dome’s calcification process accelerates, Chester’s Mill has 24 hours before the barrier’s breakdown will suffocate everyone inside. While the new deadline puts added pressure on Joe to bring the Dome down, Barbie and Julia race to save his child from The Kinship. Also, Big Jim tries to manage the increasingly volatile Hektor, who is adamant that infected townspeople never escape the Dome.
Directed by P.J. PesceWritten by Cathryn Humphris, Bronwyn GarrityGuest stars Marg Helgenberger, Max Ehrich, Eriq La Salle, Gia Mantegna, Allie McCulloch, Dan Chandler, Anthony Reynolds
Episode 13
Series Finale: As the Dome in Chester's Mill comes down, the Resistance makes a final attempt to protect the outside world from the infected townspeople in the Kinship and their new queen.
Directed by Peter LetoWritten by Tim Schlattmann, Neal BaerGuest stars Marg Helgenberger, Max Ehrich, Shane Callahan, Gia Mantegna, Vince Foster, Dann Florek, Macsen Lintz, Lee Spencer
Episode information updated Jul 24, 2026
Mike VogelDale "Barbie" Barbara
Rachelle LefevreJulia Shumway
Alexander KochJunior Rennie
Eddie CahillSam Verdreaux
Colin FordJoe McAlister
Dean NorrisJames "Big Jim" Rennie
Natalie MartinezLinda Esquivel
Britt RobertsonAngie McAlister
CBSUnited States
Amblin TelevisionUnited States
Baer BonesUnited States
CBS StudiosUnited States
