The Flash's Season 2 premiere ended with a big moment, as none other than Jay Garrick (Teddy Sears), DC Comics' original incarnation of the Flash, made his entrance into Barry Allen's world. And "world" is quite literal here, as Jay Garrick comes from Earth-2, with The Flash delving into DC Comics' Multiverse this year.

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IGN has an exclusive clip from Tuesday's new episode of The Flash, a Dr. Martin Stein (Victor Garber) attempts to explain to Barry and his team where exactly Jay originated from and what it means in the grander scheme of things. Check it out below!The Flash: "Flash of Two Worlds" airs Tuesday, October 13 at 8:00pm ET on the CW.