• SAN DIEGO, CA - JULY 10: Actor Travis Fimmel (L) and actress Katheryn Winnick attend a panel for the History series 'Vikings' during Comic-Con International 2015 at the San Diego Convention Center on July 10, 2015 in San Diego, California.

SAN DIEGO, CA - JULY 10: Actor Travis Fimmel (L) and actress Katheryn Winnick attend a panel for the History series 'Vikings' during Comic-Con International 2015 at the San Diego Convention Center on July 10, 2015 in San Diego, California. (Photo : Photo by Ethan Miller/Getty Images for A&E Networks)

"Vikings" Season 4 episode 19 airs Jan. 25. The upcoming segment is titled "One the Eve" and it will see the battle between the Viking Army and the Kingdom of Northumbria continue. Here are a few spoilers for the next chapter of the series. Read on to find out what happens next.

[Spoiler alert! This article contains spoilers for "Vikings" Season 4 episode 19 "On the Eve." Do not read further if you don't wish to know more about it.]

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"Vikings" Season 4 episode 19 "On the Eve" will see where the battle goes. The brothers have a plan and it seems it does not involve attacking King Ecbert, who was responsible for the death of Ragnar, immediately. In episode 18, Ivar the Boneless, Bjorn and other brothers will deal with King Alle, gradually moving towards King Ecbert's kingdom.

The network has revealed a brief synopsis teasing what to expect from the upcoming segment. According to the description for "Vikings" Season 4 episode 19 as published on TV.com, the Viking army successfully destroys the English countryside and continues to move forward. However, Northumbria is prepared to fight with all might. King Ecbert and Prince Aethelwulf come together to defend their territories.

Meanwhile, "Vikings" creator Michael Hirst teased what to expect from the final two episodes of Season 4. In an interview with Entertainment Weekly, Hirst said that Ragnar is "still living in the minds of his sons."

"And it's behind the build-up of the great army, which I have to tell you, has got such an amazing payoff in episodes 19 and 20. It's just astonishing," Hirst continues.

The promo video for "Vikings" Season 4 episode 19 is yet to be released. It is expected to be out after the television broadcast of episode 18 on Jan. 18. Stay tuned, it will be updated here.

"Vikings" Season 4 episode 19 airs Jan. 24 at 9:00 pm on History. More spoilers and updates are expected soon.

UPDATE

A promo for "Vikings" Season 4 episode 19 has been released. Scroll down to watch it.

CREDIT: YouTube.com/Television Promos