Season One

Unity Day

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Finn seeks Clarke's help in negotiating a peace with the Grounders before the first drop ships arrive. On the Ark, the annual Unity Day celebration is disrupted by a deadly terrorist attack.
U.S. air dates are in MM.DD.YY form.   U.K. air dates are in DD.MM.YY form.

News & Spoilers

  • From The CW:

    MASS CHAOS - Clarke (Eliza Taylor) and Finn (Thomas McDonell) attempt to broker peace with the Grounders but all hell breaks loose when Bellamy (Bob Morley), Jasper (Devon Bostick) and Raven (guest star Lindsey Morgan) show up armed and ready for battle. Octavia (Marie Avgeropoulos) and Lincoln (guest star Ricky Whittle "Single Ladies") grow closer. Meanwhile, tragedy strikes during the Unity Day celebration on the Ark.
  • Guest characters include: Anya