In a season that's a prequel to the series, the surprising origin of Jarl Varg's cruelty and the awkward betrothal of Orm and Frøya are revealed.

1. Thin Up Top 32m Sensitive about his hair loss, Varg reacts badly to a slight. In Norheim, Olav tries to make a man out of his brother Orm by betrothing him to Frøya.

2. Bachelor Party 34m Frøya strikes a bargain, leaving Orm to find a best man. Hildur is alarmed when Kark makes a lost family connection. Liv moves up in the Viking world.

3. Wedding and Sacrifice 30m The wedding day of Orm and Frøya arrives, but the inexperienced groom needs some premarital education. Varg discovers that an old enemy is still alive.

4. War Table 33m Technical problems undermine Varg's war council strategy session. Liv plans to run off to Iceland with her ex, but a gift of jewelry changes her mind.

5. Do You Believe in Dragons? 30m The final showdown between the armies of Varg and Bjørn has a few hiccups thanks to a dragon that can't tell time and Orm's poor sense of direction.