Beware of spoilers if you are not caught up with The Flash!

After tonight's insane episode where we found out that Harrison Wells is Eobard Thawne is Harrison Wells (via Invasion of the Body Snatchers) is Reverse Flash … how much crazier could this season of The Flash get? Maybe even … bananas?

Grodd!

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Image via The CW

In typical Flash fashion, the show is off next week, making us wait two agonizing weeks for these big teases to start to be revealed. But here is what we know from the promo: Arrow's Atom is headed to Central City, and Barry will be teaming up again later on with Oliver (with Ollie now as as Ra's al Ghul?) And since Barry has been in the revelation mood lately about being the Flash, that seems to be spreading, as Black Canary reveals herself to Cisco (and that she, along with everyone else except Iris, knows who Barry really is). Finally, are Arrow and Firestorm (a.k.a. the Amell cousins) going to be fighting side by side?

Further, I'm really interested to see how and if history repeats itself with Harrison Wells and Cisco, and whether or not he'll start suspecting him again (that seemed to really fade away in the alt timeline, didn't it?) Instead, it's now Barry who is investigating Wells ...

You can check it all out for yourselves below:

And here is the official synopsis for the next episode, "All Star Team Up":

The Flash 1x18 "All Star Team Up" - Barry (Grant Gustin) is surprised when Felicity Smoak (guest star Emily Bett Rickards) arrives from Starling City along with her boyfriend, Ray Palmer (guest star Brandon Routh), who flies in as the Atom. They've come to visit S.T.A.R. Labs as Ray needs help with his suit. Their timing turns out to be fortuitous because it's all hands on deck after a meta human named Brie Larvin (guest star Emily Kinney) unleashes hundreds of robotic bees to attack and kill her former co-workers, including Dr. Tina McGee (guest star Amanda Pays). A group dinner with Barry, Felicity, Ray, Iris (Candice Patton) and Eddie (Rick Cosnett) turns into a disaster.

The Flash returns April 14th at 8 p.m. on The CW.

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Image via the CW