Watch The Flash season 2 episode 11 online: Showrunner teases Barry and Reverse Flash dynamics

The upcoming episode of the Flash season 2 will see the return of Matt Letscher as Eobard Thawne aka The Reverse Flash, but from an earlier timeline. Episode 11 is titled, The Reverse-Flash Returns, which airs this on 26 January, at 8pm EST on The CW.

Click here to watch the episode online on The CW website in the US. To remind fans, Thawne was the one who killed Barry's mother, and Eddie died trying to wipe his existence in The Flash season 1 finale.

Warning: Potential spoilers ahead

Now, executive producer Andrew Kreisberg has spoken out about the dynamics between Barry and the Reverse Flash. Kreisberg told ntertainment Weekly, "What's interesting about it is this Thawne hasn't experienced last season yet, and Barry has. On Barry's side, there's a lot stronger feelings — a lot more anger, a lot more betrayal, and in some cases, that's blinding Barry to what he needs to do."

"It's really an episode about Barry coming to terms with what he wants to do and what he should do regarding this version of Thawne. There are some great surprises and some character interactions between this Thawne and all of our characters. Again, they all have the benefit of having enjoyed last season and he hasn't," he continued.

The episode will explain the timeline of the Reverse Flash according to Kreisberg.He said that the Reverse-Flash is not exactly him. "Time on our show does not unfold linearly. Sometimes you've seen events from one direction and then you start to see them from the other. This Reverse-Flash is not exactly the Reverse-Flash that we saw disintegrate at the end of the year."

"It's a Reverse-Flash from an earlier timeline. It's not the Earth-Two Reverse-Flash, it's the Reverse-Flash. That is, hands down, one of our best episodes," he stressed.

Below is the complete synopsis of the episode: