Threshold was a science fiction drama television series that first aired on CBS in September 2005. Produced by Brannon Braga, David S. Goyer and David Heyman, the series focuses on a secret government project investigating the first contact with an extraterrestrial species.

Alien seeds hitch a ride to earth in a space shuttle crew and begin to grow. When their numbers reach the Threshold amount they will be an unstoppable swarm.

Set in Oslo during the 1950s. 12 year old Lars looks for diversions to take his mind off the deteriorating relationship between his parents. He spends his time getting up to mischief with his friend Peter. He travels into the countryside with his uncle on a motorcycle and he befriends Lill, a young prostitute. He also has to face the death of a loved one.