Vikings returns to war in new Season 4 trailer

History's hit series Vikings was back at San Diego Comic Con. At this year's panel the audience got a sneak peek at the remaining 10 episodes of Season 4. The last time we saw Ragnar (Travis Fimmel), his family and reputation were in shambles. Where he falters, his sons will rise to the occasion.

Judging by the new footage, Bjorn (Alexander Ludwig) and Ivar (Alex Høgh Andersen) are ready to make a name for themselves. Bjorn finally embraces his inner warrior and leaves caution to the wind. Plus, his mother, Lagertha (Katheryn Winnick), returns and is doing what she does best. Kicking butt and taking names.

The trailer also delves into Rollo's (Clive Standen) new life, which appears to be bursting at the seams. Once a viking, always a viking?

Watch the drama unfold in the official SDCC trailer below.

Vikings returns this fall on History.

Which storyline are you most excited about?

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