Life as a high school freshman can be tough - but even tougher when you're trying to control your new superhero ghost powers. This is the plight of Danny Fenton, as he adjusts to the after effects of the lab accident that has turned him into Danny Phantom - half boy, half ghost, all hero. When Danny's friend Sam converts the school cafeteria to a recycled veggie menu, Danny must spring into action to thwart an angry Lunch Lady Ghost, who's serving up a heaping helping of the "3 M's": Mayhem, malice, and meat!
Danny uses his "overshadowing" power to take control of his Dad during a parent-teacher conference, but the plan backfires when Jack Fenton is invited to chaperone the school dance. At the same time a ghostly amulet turns the girl with whom Danny is smitten into a dragon, and he must alternately control his Dad and fight the ghost dragon!
Skulker, a predatory ghost hunting legend who fancies himself a collector of all things rare and unique, has set his sights on Danny Phantom, the world's only half-ghost/half-human hybrid. The games begin, as good and evil ghosts face off.
Danny needs quick cash to buy cool clothes for his first "A-list" homecoming party at football-jock Dash Baxter's house. What better way, then, than selling all your parents' ghost-infected, mechanized junk at a yard sale? It's a great idea until Nicolai Technus, Ghost Master of Technology, summons all ghost gadgets to morph into a giant killer techno-robot. Danny foils Technus' evil plan with the help of Tucker and Sam, while learning that there are some things that money can't buy - like true friendship.
After a series of humiliating run-ins with Dash, the school bully, Danny uses his powers to get revenge and triggers the ghost of Poindexter, a kid who was shoved in his locker so many times he haunts it to this day. Danny must battle this ghostly defender of nerds and geeks, while proving he's not the bully Poindexter thinks he is.
When wish-granting ghost Desiree gives Tucker ghost powers, Danny finds himself dealing with his friend's jealousy in the worst way possible: by having to fight him.
Danny meets his evil opposite in Vlad Plasmius, a childhood rival of his ghost-hunting dad, Jack. Unfortunately, Vlad acquired ghostly powers 20 years ago, which means he's stronger and more experienced than Danny -- and hell-bent on taking everything away from Jack Fenton including his life.
Danny fears he's going to cause his parents' break-up when he knocks Jack's anniversary gift into the Ghost Zone. Desperate to retrieve it, he dives into a ghostly dimension where he runs afoul of Walker, the ghost warden of a ghost jail, and is thrown into prison with every ghost he's ever caught.
Noticing a change in little bro Danny since the accident in the lab, Jazz mistakes his ghost hunting for depression and signs him up for therapy with Penelope Spectra, not knowing that Spectra is a ghost who feeds off teen misery!
When ghosts wreck a popular co-ed's school social life, she dedicates herself to hunting them, which forces Danny to deal with a threat just a few lockers down the hall. Worse yet, Tucker has a crush on the girl.
Danny and Sam find their platonic friendship turned forcibly romantic through the musical powers of Ember, a hard-rocking girl ghost who feeds off the idol worship of teens. With her massive, free concert scheduled only a few days away a concert that will be broadcast worldwide and give her ultimate power Sam has to get the now completely and utterly love-addled Danny to focus on fighting ghosts. Even if it means breaking his heart.
Living dual lives as a high school freshman and a superhero is a balancing act for Danny that just got even tougher, with both Lancer and his parents pressuring him to ace a test. At the same time Technus ghost master of technology has escaped into Danny's online game and threatens to flee into the Internet and take over every computer in the world!
When Jazz falls for hunky boy ghost, Johnny 13, who can cast his shadow out and create bad luck for everyone who crosses him - especially the girls he's dating, Danny is forced to behave like an overprotective parent, much to Jazz's dismay. Furthermore Danny must beat Johnny back into the Ghost Zone before Jazz accepts his offer to go steady, or else!
Jazz falls for a hunky boy ghost - Johnny 13 - who has the power to cast his shadow out and create bad luck for everyone who crosses him, especially the girls he's dating. Danny finds himself in the uncomfortable position of behaving like an overprotective parent, much to Jack and Maddie's pride and Jazz's fury. Danny has to beat Johnny back into the ghost zone before Jazz fully accepts Johnny's offer to go steady - or else!
Amity Park is thrown into chaos by the town's first mass invasion of ghosts. It's all part of a plan by the Ghost Zone's Sheriff Walker to capture Danny Phantom. As Danny first battles, then befriends, a hulking ghost named Wulf, Walker and his deputies "overshadow" most of the people in Danny's inner circle.
When Paulina witnesses Danny's ghost transformation, he fears the exposure. Imagine his surprise when Paulina swears to keep his secret - then becomes his girlfriend! Life is great for Danny, until he finds out that Paulina has actually been overshadowed by Johnny 13's girlfriend, Kitty, in her plot to make Johnny jealous. Danny reluctantly plays along to protect his own identity, but, when Kitty's welcome wears thin, Danny pleads with Johnny 13 to take her back. When Kitty abandons Paulina's body and goes back to her true love, Paulina resumes her indifference towards Danny Fenton - although she's now madly in love with Danny Phantom!
Maddie relishes the chance to bond with emotionally distant Danny at a weekend mother/son science seminar. However, the seminar is a ruse orchestrated by Vlad Masters - a.k.a. Vlad Plasmus, Danny's arch enemy! Vlad's plan is to convince Maddie and Danny to live with him while simultaneously destroying Jack with a massive ghost attack. When Vlad short-circuits Danny's powers, Danny gets to witness Maddie's impressive ghost fighting prowess. Meanwhile, a reluctant Jazz is pressed into ghost-fighting duty with Jack - and likes it, in spite of herself!
Danny and Valerie Gray are forced to become "parents" to a sack of flour for a one-week school assignment. At the same time Skulker, ghost hunter extraordinaire, decides to pit Valerie and Danny Phantom against each other in a contest - with the winner earning the privilege of becoming his prey. When Skulker's orchestrated contest ends in a tie, he handcuffs Danny and Valerie and hunts them both through the Ghost Zone. In order to survive, Danny and Valerie learn to let go of their mutual dislike and cooperate with each other - which may just affect their relationship in the real world. Or, not.
When Vlad Masters' ghost portal explodes, he schemes to replace it by stealing Jack Fenton's portal. As a distraction, Vlad anonymously offers a million dollar bounty to eliminate Danny Phantom. As ghost hunters from around the world gather in Amity Park to hunt the ghost kid, Danny sacrifices himself to Jack - both to win the prize money for Dad and to bolster Jack's inept reputation, which embarrasses Danny. However, when Maddie's life is put in jeopardy, Jack needs no help from Danny to save the day on his own.
Sam rebels when her overprotective parents forbid her from attending the strange Goth circus that's come to town. Little does she know that the circus performers are ghosts, under the mystical control of the creepy ringmaster named Freakshow, who also uses the ghosts to loot the town. When Danny falls under Freakshow's spell and joins the circus - and the robbery spree - Sam must operate under the radar to destroy Freakshow's magic crystal ball, free Danny and get grounded, big-time.