She soon finds out what hides in the castle, and meets a lot of new people, including resident ghosts who died over 250 years ago.
While exploring the castle, she meets a cousin that she didn't know name Jimmy (played by Kieran Alleyne) who is accident-prone and who sometimes acts cool.
In "Save Our Station", Dani revealed that she was never going to come home, she had decided to stay in Hollywood and therefore she gave her part of the castle to Kait.
Jimmy, played by Kieran Alleyne, is one of Dani's cousins and a person that didn't know about the castle until he arrived.
In "Girl Trouble", he mistakenly thought Kait has a crush on him and tries to impress her, by watching a romantic movie with her.
Jimmy is best friends with Kait, Gabe and Esme, the cousin of Dani, Dylan and Rich, and boyfriend of Clare.
In "Save Our Station", Gabe finds out that Dani is never coming back to Bogmoor as she has decided to stay in Hollywood, because of this he crosses over to the Other Side.
He made egg tarts and lemonade for his friends and accidentally split them on the Bogmoor FM radio set where Jimmy and Rich work.
Esme showed him the past of the memories his did for his friends, like telling Jimmy and Rich to carry on the Bogmoor FM, mending Kait and Claire's friendship and saving Leonie from an energy force on Dylan's new machine.
Esme then showed the future that might happen if he's not around, like Rich and Jimmy become weather navigators, Claire and Kait are enemies and Leonie being trapped inside a mirror after testing out Dylan's machine.
Also, Dani revealed that she was never going to come home as she had decided to stay in Hollywood, therefore she gave her part of the castle to Kait.
It turned out that Rich was planning a surprise romantic meal for them, however it was ruined when Dylan crashed a bath (which had been made to look like a boat) into the table.
In "An Inspector Calls" Kait is nominated for Best Newcomer at the Pet Snack of the Year Awards, and Rich is commissioned by Boys Who Make Noise to write a love song but it doesn't really work.
In "Treasure Hunt", it is revealed that she and Gabe died a few days before her eleventh birthday after catching the flu.
In "Bogmoor Rocks", Esme and Leo compete to see which of them is Jedward's biggest fan, the competition ends in a draw.
Rich showed her posters he had made for Gabe's ghostel and asked her opinion, she didn't like them.
In series 2, he sets up Bogmoor FM and soon makes a fake wedding, pretending to marry Kaitlin.
Rich soon comes up with an idea to turn Bogmoor Castle into a romantic wedding venue, and Kait is reluctant to play the part of the bride in the photo shoot.
Rich and Kait's meal was ruined when Dylan crashed a bath (which had been made to look like a boat), into the table.
Kait is nominated for Best Newcomer at the Pet Snack of the Year Awards, and Rich is commissioned by Boys Who Make Noise to write a love song, but has writer's block.
In "Girl Trouble", he develops a crush on his classmate, Fiona and invites her to the castle to do their school project, and tries to impress her, but ended up bad.
Later, his equipment detects something even though it is not plugged in, the gang rush upstairs then Gabe and Esme cross back over from the other side.
In "The Ghostel" Dylan was devastated after Esme revealed that she only returned to say goodbye as she had decided that she belonged on the other side.
Dylan is best friends with Esme and Leonie, the younger brother of Rich and cousin of Jimmy and Dani.
Clare was shocked when she found out about the poltergeist, and fainted after Gabe and Esme crossed back over from the other side.
In "The Ghostel", Clare hoped that she had just imagined that the castle was haunted, and was terrified after discovering that Gabe and Esme are real.
After this, Leonie decided to leave, but thanks to Rich talking to him, Dylan asks her to stay and she happily agrees.
In "Ghost Swappers", Leonie (and Gabe) became human, she asked Clare to help her dress as if she is from the 21st Century, so she can go and make friends in Bogmoor.
Ben (James Gandhi) makes an appearance in "21st Century Boy" where he is challenged by Gabe to a duel to fight for Dani's love.
Max (Sebastian Applewhite) appears in archive footage in "21st Century Boy", and he was mentioned by Ben and Dani in the same episode.