Arrowairs Mondays at 8 p.m. on The CW.
Plus, it introduces one of the shows most iconic visuals: the salmon ladder.
Written by Jake Coburn and Ben Sokolowski, this is one of the show’s most suspenseful hours.

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That entire fight remains one of the show’s best setpieces.
The episode seamlessly juggles great action beats (that chase scene!)
Who saidArrowdoesn’t know how to have fun?

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“Invasion!”
Penned by Brian Ford Sullivan and Emilio Ortega Aldrich, this risky episode is devastatingly brutal but worth it.
It had the weight of a series finale.

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Jack Rowand /The CW

Michael Courtney /The CW

Cate Cameron/The CW

Cate Cameron/The CW

Cate Cameron/The CW

Cate Cameron/The CW

Katie Yu/The CW

Cate Cameron/The CW

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Jack Rowand/The CW

Dean Buscher /The CW

Jack Rowand/The CW