Danny meets Technus, a techno-ghost, and has to deal with him while going to a party for popular kids from school while Sam tries to reveal a secret about her life to her friends.
A jealous Tucker gets his wish to have ghost powers like Danny from genie ghost Desiree, unaware its affects are slowly taking over him...for the worse.
A depressed Danny deals with a new guidance counselor whom he suspects is a ghost while Jazz gets to the bottom of Danny's current unusual personality.
An encounter with a ghost dog and Danny Phantom sends Valerie Gray to swear vendetta against them both. To make matters worse for Danny, Tucker is having a crush on that very girl.
A recently popular singer named Ember McLain wows teenage audiences, but in reality she is a ghost bent on world conquest. To succeed in her plans, she distracts Danny by placing a love spell on him, causing him to fall madly in love with Sam.
Jazz falls for a biker named Johnny 13 who's merely a ghost planning to use her body to contain the spirit of his girlfriend, Kitty. Tucker meanwhile tries to find a new image for himself.
Walker plans to make Danny Amity Park's public enemy #1 while Danny befriends a ghost werewolf named Wulf. But the people of Amity Park thinks Danny's an enemy leader.
Maddie and Danny get invited to a mysterious event by DALV, only to be tricked and end up in the Rocky Mountains with Vlad Masters who desires them both. Meanwhile, Jack and Jazz do some father-daughter bonding while defending their home from ghosts.
Finding out Danny is the ghost boy Paulina dates him, much to Danny's excitement. Meanwhile, Johnny 13 searches in vain for his girlfriend, Kitty who had taken over Paulina's body.
When Vlad's manor is destroyed, he places a million dollar mark to hunt down the legendary ghost boy, Danny Phantom as he sneaks his way in to the Ghost Zone.