Details for Flash, Arrow and Supergirl season finales reveal face-offs, surprise returns

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May 5, 2017, 10:27 AM EDT (Updated)

The CW’s remaining superhero shows all wrap up their current seasons the week of May 22, and now we know what to expect from all those season finales.

The network has dropped synopses for the finales of The Flash, Arrow and Supergirl, and they reveal a few surprises we didn’t know would be coming (and some obvious ones). On Supergirl, the big battle will come down to Supergirl vs Rhea, while Superman (and Cat Grant) show up to offer some super-wisdom.

As expected, The Flash will end with Barry getting his final fight with Savitar. But, the juiciest intel comes from Arrow: The final fight with Chase will take place on Lian Yu, and Oliver will get Merlyn, Slade, Nyssa and Digger Harkness/Captain Boomerang to back him up. Umm, what?

Here are the full rundowns:

Supergirl Season 2 finale:

Supergirl (Melissa Benoist) challenges Rhea (guest star Teri Hatcher) to battle to save National City. Meanwhile, Superman (guest star Tyler Hoechlin) returns and Cat Grant (guest star Calista Flockhart) offers Supergirl some sage advice.

The Flash Season 3 finale:

With nothing left to lose, Barry (Grant Gustin) takes on Savitar (also Grant Gustin) in an epic conclusion to season three.

Arrow Season 5 finale:

The battle between Oliver (Stephen Amell) and Adrian Chase (Josh Segarra) culminates in a final epic battle on Lian Yu. After recent events, Oliver decides to recruit a group of unlikely allies – Slade (guest star Manu Bennett), Nyssa (guest star Katrina Law), Merlyn (John Barrowman) and Digger Harkness (guest star Nick. E. Tarabay) – to defeat Chase. However, Chase has his own army – Black Siren (guest star Katie Cassidy), Evelyn Sharp (guest star Madison McLaughlin) and Talia al Ghul (guest star Lexa Doig) – and the forces collide in an explosive season finale.

All of these sound solid, but that Arrow finale sounds positively wild. It looks to be an epic face-off of teams, with Oliver assembling his own makeshift Suicide Squad to take into this battle. But, how the heck do they end up back on Lian Yu?

The Supergirl finale airs on May 22, Flash on May 23, and Arrow on May 24.

(Via CBR)

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