Mercy Street

The Belle Alliance

During a Union ball at their house, the Green girls and Frank initiate a daring plan to help Tom escape. Mary releases Dr. Foster, still shaky from his detox, from his “quarantine” so he can guide Samuel through a delicate operation.

The Belle Alliance

52m 55s

During a Union ball at their house, the Green girls and Frank initiate a daring plan to help Tom escape. Mary releases Dr. Foster, still shaky from his detox, from his “quarantine” so he can guide Samuel through a delicate operation.

Previews + Extras

  • Episode 4 Preview: The Belle Alliance: asset-mezzanine-16x9

    Episode 4 Preview: The Belle Alliance

    S1 E4 - 30s

    During a Union ball at their house, the Green girls and Frank initiate a daring plan to help Tom escape. Mary releases Dr. Foster, still shaky from his detox, from his “quarantine” so he can guide Samuel through a delicate operation. Episode 4: The Belle Alliance airs February 7 at 10/9c. #MercyStreetPBS

WETA Passport

Stream tens of thousands of hours of your PBS and local favorites with WETA Passport whenever and wherever you want. Catch up on a single episode or binge-watch full seasons before they air on TV.