New The Flash Clip Explains Earth 2 And The Multiverse

Does all this talk about multiverse's and parallel earths' surrounding The Flash Season 2 have you a little confused? Good thing Professor Stein is here to help.

A new clip from tonight's episode, "The Flash of Two Worlds," has Stein explaining the concept of the multiverse to the rest of Team Flash.

Check it out below.

In "The Flash of Two Worlds," Jay Garrick (guest star Teddy Sears), a mysterious man from Earth-2, appears at S.T.A.R. Labs with a dire warning about an evil speedster named Zoom, who is set on destroying The Flash. Barry (Grant Gustin) and the team must decide if they can trust this stranger even as they face yet another powerful meta-human. Meanwhile, Joe (Jesse L. Martin) must deal with a determined officer named Patty Spivot (guest star Shantal VanSanten) who wants to join his meta-human task force.

The Flash airs Tuesdays at 8 p.m. ET on The CW.

(via IGN)