Watch the extended exclusive trailer for the season finale on AOL.   

"Vikings" the hit series and highest rated cable show this month comes to a close for its first season.  

The season finale is entitled, "All Change" and big surprises and cliff hangers are expected to keep everyone buzzing for Season 2 which was announced is officially happening and will have 10 episodes as of now.  

There will be drama for both Ragnar (Travis Fimmel) and his wife Lagertha (Katheryn Winnick) taking potentially dangerous trips in the season finale and the two brothers deciding if they will stay together or go their separate ways. 

At the behest of King Horik, Ragnar assembles a small party to travel to Gotaland (modern day Sweden) to resolve a land dispute with the area's leader, Jarl Borg. Ragnar's renown precedes him and Jarl Borg is intrigued -- has he found a new ally or is Ragnar just a puppet of the king? Meanwhile in Kattegat, with a plague taking its toll on the village, the people look to Lagertha to help appease the gods.

The Season Finale, Episode 9: "All Change" airs tonight, Sunday, April 28 at 10 p.m. on The History Channel.