The story of a missing woman named Izzy moves Kara to investigate, even though Snapper Carr has told her to leave the matter alone. When Kara and Mon-El check out the last place Izzy was seen, they end up thrust through a portal to another planet, where the downtrodden are sold as slaves as part of a trafficking ring run by Roulette. Meanwhile, Alex blames herself---and her new relationship with Maggie---for her sister's disappearance.moreless
Thrilled to have found another Martian, Hank is determined to get to know M'Gann better; Kara and Alex take notice of an alien fight club run by Roulette while investigating an unregistered alien's murder; and Supergirl starts training Mon-El, whom she has taken under her wing.moreless
President Michener now has two battles to handle. One on the home front and one around the South China Sea. Captain Chandler now back in command on the James goes to the mainland to confront his new found enemy. Time and fuel is running low when the crew tries to locate the kidnapped crew members after a demand from the kidnappers.moreless
Coulson realizes that Jiaying intends to set off a war, but tries to avoid launching a counter attack for fear of hurting Skye. Meanwhile, Skye appeals to Jiaying to reconsider, and Grant tries to give Kara closure.moreless
Coulson leads an assault on the captured helicarrier, taking Cal along with them. Meanwhile, Jiaying prepares to unleash the Terrigen crystals on the world, and Skye is forced to confront her mother.
Tensions rise between S.H.I.E.L.D. and the Inhumans, with Skye caught in the middle. Meanwhile, Coulson reveals what he's been doing with the missing millions.
Coulson and Gonzales are forced to join forces with an unreliable ally to defeat Hydra.
Coulson and Lance turn to Grant for help. Meanwhile, Skye and Lincoln become involved in the inter-S.H.I.E.L.D. struggles.
While Skye questions her future with the Inhumans, Melinda must decide her future in the war between the two sides of S.H.I.E.L.D.
While Skye meets a fellow "Inhuman," Coulson takes on Gonzales for the future of S.H.I.E.L.D.
While Jemma secures the Kree city, Skye is put into quarantine. Meanwhile the team carries out an operation against Hydra to eliminate the people who arranged Trip's death.
While Coulson's team tries to track down the secret, they meet the Doctor. Meanwhile, Bobbi interrogates Sunil and Ward kidnaps his older brother.
Clarke is betrayed by someone she trusted. Meanwhile, Bellamy, Finn and Murphy (Richard Harmon) race to save a stranger; and tensions rise between Raven and Wick (Steve Talley).
Clarke gains an unlikely ally. Later, Abby confesses to committing a crime.
Clarke confronts Dante Wallace (Raymond J. Barry). Meanwhile, Kane interrogates one of the 100; and Abby performs emergency surgery.
Conclusion. Bellamy forces Octavia to make a difficult decision in the Season 1 finale. Later, Finn takes a risk.
Part 1 of 2. Clarke and Finn face a new enemy. Meanwhile, Bellamy saves Jasper.
After losing nearly all food supplies through a fire, the remaining "100" are forced to go hunting despite the constant threat of the Grounders. Clarke and Finn are caught up in the aftermath of bombing the bridge and may have to pay a high price ... Meanwhile on the Ark: Councillor Kane goes to great lengths to find and save survivors in the repercussion of major destruction.
Both the Ark and the 100 celebrate Unity Day. The Ark is devastated by first an explosion, then an attempted coup. Meanwhile, on the ground, Clarke, Finn, and Octavia set up a meeting with the grounders.moreless
There might not be anymore King & Maxwell as Sean's continues his investigation of the Ritter assassination and Michelle thinks about returning to the Secret Service. But a shocking truth has Sean returning to the scene of the crime.moreless
King & Maxwell find themselves locked in at FBI headquarters after the murder of a key witness to a company's chemical spill. With only hours till the Senate hearing and Rigby's career in jeopardy, the duo attempt to solve the murder and find a new witness.moreless
King & Maxwell are hired to find a stolen cell phone. Sean finds some interesting information on Ritter's assassination.
Michelle's P.I. brother enlists the agency's help with a case concerning a con artist with multiple identities.
King and Maxwell investigate a tabloid blogger at the behest of a congressman. But murder leads them to a hired hit man and unforeseen duplicity.