Legends of Tomorrow: Crisis on Infinite Earths: Part Five Season 4, Ep 17
Worlds lived, worlds died. Nothing will ever be the same.
Arrow: Crisis on Infinite Earths: Part Four Season 8, Ep 8
Stuck in the Vanishing Point, the Paragons search for a way to escape; Oliver reveals that he has become something else; the origin stories for The Monitor and Anti-Monitor are revealed.
The Flash: Crisis on Infinite Earths: Part Three Season 6, Ep 9
Pariah enlists Black Lightning to help stop the Anti-Monitor after Flash-90 shares what he learned from his battle in 'Elseworlds.' With the help of Black Lightning, Barry, Cisco and Killer Frost come up with a plan that could save them all. Meanwhile, Iris has a heart-to-heart with Ryan Choi, while Diggle, Constantine, and Mia return to an old familiar stomping ground. [more inside]
Batwoman: Crisis on Infinite Earths: Part Two Season 1, Ep 9
The group uses Ray's invention to track new recruits to help save the universe. Meanwhile, the Monitor sends Iris, Clark, and Lois in search of a mysterious Kryptonian, while Kate and Kara head out to find Bruce Wayne. [more inside]
Supergirl: Crisis on Infinite Earths: Part One Season 5, Ep 9
The Monitor sends Harbinger to gather the worlds' greatest heroes - Supergirl, The Flash, Green Arrow, Batwoman, White Canary, The Atom and Superman - in preparation for the impending Crisis. With their worlds in imminent danger, the superheroes suit up for battle while J'onn and Alex recruit Lena to help them find a way to save the people of Earth-38. [more inside]
Arrow: Lost in the Flood Season 4, Ep 22
Following the shocking events in the previous episode, Oliver and Diggle race to rescue Thea, while Felicity, Curtis and Noah join together to stop Darhk. [more inside]
Arrow: Genesis Season 4, Ep 20
As Oliver and Felicity look for a magical solution to defeat Darhk, a vengeance-driven Diggle gets a lead on Andy's whereabouts and heads off to confront his brother. Meanwhile, Alex takes Thea on a vacation that quickly turns into a nightmare. [more inside]
Arrow: Canary Cry Season 4, Ep 19
Oliver and the team struggle to come to terms with a recent death, especially Diggle who is overwhelmed with guilt for choosing to believe Andy had changed. Meanwhile, Lance refuses to believe his daughter is really gone and seek help to bring her back.
Arrow: Dark Waters Season 4, Ep 9
Oliver moves against HIVE; Malcolm goes to see Thea, leaving her with a warning. [more inside]
Arrow: Legends of Yesterday (Part 2) Season 4, Ep 8
The conclusion of the 2nd Annual Flash/Arrow crossover. The two teams work to defeat Vandal Savage and protect their new Hawk-Friends and lovers. [more inside]
Arrow: Brotherhood Season 4, Ep 7
A shocking revelation complicates the battle between Team Arrow and Damien Darhk; Thea loses control in front of Alex. [more inside]
Arrow: Lost Souls Season 4, Ep 6
Team Arrow gears up to rescue Ray Palmer. Felicity and Oliver work out some issues with the help of Felicity's mom. Sarah struggles to control her bloodlust in the field. [more inside]
Arrow: Beyond Redemption Season 4, Ep 4
Oliver tells his team that he is running for mayor. They are not impressed. The new Arrow Cave is pretty shiny, though. Laurel reveals Sarah to Lance; Team Arrow confronts some rogue members of the anti-vigilante task force; Oliver confronts Lance about working with Damien Darhk. Subplots progress slightly. Sarah escapes.
Arrow: Restoration Season 4, Ep 3
The tension between Oliver and Diggle puts them at risk when they target Damien Darhk and a meta-human; Laurel convinces Thea to return to Nanda Parbat to request Sara be put into the Lazarus Pit.
Arrow: The Candidate Season 4, Ep 2
Oliver and Thea are concerned when a family friend plans to run for mayor; Thea starts to exhibit side effects from the Lazarus Pit; Felicity asks an employee for help with a business decision.
Arrow: Green Arrow Season 4, Ep 1
Oliver and Felicity's blissful getaway comes to an abrupt end when Laurel and Thea ask for their help; Diggle is opposed to working with Oliver. [more inside]