As the particle accelerator came back online, Barry wanted to move all the metahumans out of S.T.A.R. Labs and... only Captain Cold could help?!
A strong procedural episode wrapped up an okay season, but where does the series go from here?
Al Sah-him goes through with his arranged marriage to Nyssa, while Malcolm makes an offer to Team Arrow.
At the Reverse-Flash's urging, Grodd started terrorizing Central City to distract the team.
Barry and company decided to trap the Reverse-Flash and make him confess to Nora's murder. It went about as well as you would guess.
A boring comedy of errors threw Alicia's future into question, and Kalinda did what she does best.
Joe and Cisco investigated Harrison's past while Barry squared off against an identity-shifting metahuman.
A new metahuman arrived in Starling City at the worst possible moment.
Felicity and Ray from Arrow swung by Central City to seek some help just as a bee-themed baddie set her sights on Mercury Labs.
Alicia fought the cries for a recall only to be undermined from within. Meanwhile, the firm scrambled to save itself from Kalinda's forged evidence.
Alicia faced the press on the matter of the leaked emails, while Diane went to court over gay marriage. Oh, and Andrew Wiley is back.
Ra's has stepped up his game to "sweeten" his offer to Oliver by turning the entire city against the Arrow.
Barry and Joe turned to the original Trickster for assistance when a copycat arrived to terrorize Central City.