Wednesday evening, as “Arrow” celebrated its 100th episode, the show’s writers deftly managed to participate in the crossover fun while still investing more heavily in character depth than supernaturalism.
Specifically, “Arrow” used the week’s alien-invasion arc as an opportunity to pay homage to the elements that have helped make Arrow great.
Those aliens, the Dominators, captured the Green Arrow, the White Canary, Speedy, John Diggle/Spartan and the Atom, placing them aboard a spaceship and keeping them in comas while toying with the minds of the heroes.
via TV recap: The best outcome from the CW’s crossover? ‘Arrow’ remembers what it does best. – The Washington Post