When does hayley find out she's pregnant?
The show is set in New Orleans which the Mikaelson family and original vampires helped to build. In the first season, the focus was primarily on Klaus (Joseph Morgan), Elijah (Daniel Gillies), and Rebekah (Claire Holt) who found out in the backdoor pilot, aired on April 25, 2013, how Hayley Marshall (Phoebe Tonkin) was pregnant with Klaus' child. 
What episode does hayley find out she's pregnant in the originals?
pilot backdoor pilot 1 "Always and Forever"
The Originals (season 1)
Hayley finds herself in a love triangle with Scott Hunter (Kip Gamblin) and Kim Hyde (Chris Hemsworth). She later falls pregnant and is unsure who the father is. The baby is initially believed to be Kim's and Scott steps aside. However, Hayley is still in love with Scott, but plans to marry Kim. On the day of the day of the wedding, Hayley runs away and Scott searches for her and eventually finds her as she goes into labour. Hayley then gives birth to a baby boy and names him after Noah. By the end of the year, it is revealed that Kim is not Noah's father, as his blood type does not match the child. Scott is thrilled to be a father and he and Hayley leave for a new life in France.
After she realizes what does hayley find out she's pregnant in home & away?
finds herself in a love triangle
Hayley Smith (Home and Away)
Home and Away
https://en.wikipedia.org/wiki/Home%20and%20Away
Hayley
https://en.wikipedia.org/wiki/Hayley
Hard Candy (film)
https://en.wikipedia.org/wiki/Hard%20Candy%20%28film%29
List of Power Rangers Dino Thunder characters
https://en.wikipedia.org/wiki/List%20of%20Power%20Rangers%20Dino%20Thunder%20characters
List of American Dragon: Jake Long episodes
https://en.wikipedia.org/wiki/List%20of%20American%20Dragon%3A%20Jake%20Long%20episodes
The Troop
https://en.wikipedia.org/wiki/The%20Troop
American Dragon: Jake Long
https://en.wikipedia.org/wiki/American%20Dragon%3A%20Jake%20Long
Hayley Smith (Home and Away)
https://en.wikipedia.org/wiki/Hayley%20Smith%20%28Home%20and%20Away%29
The Originals (season 1)
https://en.wikipedia.org/wiki/The%20Originals%20%28season%201%29
List of The Originals characters
https://en.wikipedia.org/wiki/List%20of%20The%20Originals%20characters
Hayley Smith (American Dad!)
https://en.wikipedia.org/wiki/Hayley%20Smith%20%28American%20Dad%21%29
Hayley Rose Smith (also Lawson) is a fictional character from the Australian soap opera Home and Away.
Hayley Smith (Home and Away)
Hayley finds out she is pregnant in the backdoor pilot of The Originals episode 1 "Always and Forever", aired on April 25, 2013. In the Australian soap opera Home and Away, Hayley finds herself in a love triangle and later falls pregnant and is unsure who the father is. But, in the end, Scott is thrilled to be a father and he and Hayley leave for a new life in France.