Next year, fans will once again see their favorite Jaegers, Eren and Captain Levi back in action as "Attack on Titan" season 2 resume airing.

Although there is no guaranteed "Attack on Titan" season 2 release date as of the moment, a teaser has been leaked which follows the events of season 1 and it looks like the struggle will just continue. Here's the teaser video.

As seen in the video, it was revealed that Titans are hidden inside the walls which cause confusion. Is it linked to the secret of Eren's father which is located at their basement? Stay tuned.

As stated in our previous report, it is likely that "Attack on Titan" season 2 will cover the events of the fifth arc in the manga. Here's the synopsis of the fifth storyline called "Clash of Titans" arc.

"The fifth story arc of the 'Attack on Titan,' the 'Clash of Titans' arc encompasses the Titans appearance inside the wall, which forced 104th Trainees Squad to a brutal battle against those mysterious Titans. Unknown to them, those Titans are actually members from their group. Eren, shocked, battles them in a decisive battle."

Meanwhile, here's the summary of the sixth arc which will likely be tackled on season 3.

"The sixth story arc of the 'Attack on Titan' series, 'The Uprising' arc follows the event of the fifth arc, wherein the situation inside Wall Rose becomes critical after the killing of Pastor Nick and the kidnapping of Eren and Historia. After finding out about the king's actions that would put humanity in jeopardy, Erwin begins his plan as he and his group try to execute a coup d'etat against the government."