Ep 14. 13

Danny Phantom season 1 episode 14 is titled "13" and it introduces the character of Valerie Grey, a popular student at Casper High who becomes Danny's enemy when she is given a suit of ghost-hunting armor by Vlad Plasmius.

The episode begins with Danny and his friends, Sam and Tucker, watching a ghostly show featuring "The Fright Knight," a powerful ghost who is known for his lightning fast reflexes and deadly sword. Danny is excited to see the Fright Knight in action, but his excitement quickly turns to terror when he learns that the ghost has been released from his dimension and is now on the loose in Amity Park.

Meanwhile, Danny's parents are working on their latest invention, a ghost-tracking watch that can detect even the slightest trace of ectoplasmic energy. They believe that this device will help them capture all of the ghosts in Amity Park, including Danny Phantom.

As Danny tries to figure out a way to defeat the Fright Knight, he encounters Valerie Grey, who is wearing a suit of ghost-hunting armor and is also hunting the ghostly villain. Danny and Valerie clash over their differing approaches to ghost hunting and eventually become bitter enemies.

Throughout the episode, Danny attempts to track down the Fright Knight while also trying to avoid being captured by his own parents. He teams up with his friends to try to find a way to defeat the powerful ghost and stop him from wreaking havoc on Amity Park.

In the exciting conclusion of the episode, Danny and Valerie face off against each other and the Fright Knight in a battle that will change their relationship forever. The episode ends with a cliffhanger that leaves viewers eager to see what happens next.