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Season 1, Episode 08 -"Day Trip"
Clarke and Bellamy go on a mission to find supplies for approaching winter. Some of the 100 accidentally eat nuts with powerfully hallucinogenic properties and lose their grasp on reality. Meanwhile, Octavia seizes the opportunity to help a friend escape, and a terrifying event brings Clarke and Bellamy closer. On the Ark, Commander Shumway secretly assigns one of the 100 to kill one of his own, and the treacherous actions of Diane Sydney are revealed.
Season 1, Episode 09 -"Unity Day"
Clarke and Finn attempt to broker peace with the Grounders but all hell breaks loose when Bellamy, Jasper and Raven show up armed and ready for battle. Octavia and Lincoln grow closer. Meanwhile, tragedy strikes during the Unity Day celebration on the Ark.
Season 1, Episode 11 -"The Calm"
With a low food supply at camp, Clarke and Finn lead a group out to hunt for food and wind up in a compromising position. With Finn's life in danger, Clarke makes a game-changing decision. Meanwhile, Raven makes Bellamy an offer he can't refuse. On the Ark - Kane risks his life and is reunited with Chancellor Jaha and Abby.
Season 1, Episode 12 -"We Are Grounders, Part 1″
Part 1 of 2. Clarke and Finn face a new enemy. Meanwhile, Bellamy saves Jasper.
Season 1, Episode 13 -"We Are Grounders - Part II"
Clarke pleads with Bellamy to do the right thing as conflict on the ground comes to a head. Bellamy forces Octavia to make a difficult decision. Raven and Jasper work against time and Finn makes a bold move. Meanwhile, the situation on the Ark comes to a stunning conclusion.
Season 2, Episode 01 -"The 48″
An enemy returns in the Season 2 premiere. Later, Jaha makes a heroic decision.
Season 2, Episode 13 -"Resurrection"
Lexa's leadership decisions are questioned by Clarke. Meanwhile, Abby struggles to help an injured Kane.
Season 04, Episode 09 - “DNR ”
Jasper and Bellamy go on a quest. Meanwhile, Clarke struggles to keep the peace after word of Jaha’s discovery spreads.