Danny Phantom

Cartoon Series: Season 01; Episode #09: "My Brother's Keeper" (18-June-2004)

Danny, trying to fight a ghost (Spectra's henchman), trashes her office. She's posing as a counselor at Danny’s school and feeding off kid's misery to keep herself young. Jazz thinks Danny is depressed so she makes him go see Spectra, but Danny can't sense her because her office is so cold.
Feeling depressed because of Spectra, he grows a little more reckless, and the suspicious, worried Jazz accidentally sees him as he changes to ghost-mode in an alley.
Spectra, after being hit, started to rapidly age by peeling off each layer of herself, and getting to be a really old women.

-- by The Gambler

Danny Phantom

Cartoon Series: Season 01; Episode #10: "Shades of Gray" (Friday September 24, 2004)

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.
Dog changes between adult and baby forms. (ar/ap canine)

-- Stonegate & Dragoniade

Danny Phantom

Cartoon Series: Season 02; Episode #05: "The Ultimate Enemy" (09/16/2005)

It's time for Danny and his classmates to take their Career Aptitude Test (C.A.T.), and Danny is freaking out. He's been so busy hunting ghosts that he hasn't had any time to study or think about his future. But, far in the distant reaches of the Ghost Zone, a pair of beings called the Observants have been keeping an eye on Danny's future for him, and they don't like what they see.
Danny's decision to cheat on the test causes a tragic chain reaction that spells doom for all of Amity Park. Now, they are sending a ghost named Clockwork, who has the power to control time, to do anything it takes to stop Danny from heading down the path that will ultimately cause him to renounce his humanity and turn into the evil Dark Danny.
Can Danny, with the help of Sam, Tucker, Jazz, and a new power, prevent the inevitable and change his future? Or, will the evil Dark Danny find a way to travel ten years back in time to insure that a tragedy occurs that hurts 14-year-old Danny Fenton so deeply that his only choice will be to turn to the dark side, forever?
- (Ghost/Ar/aP)

-- Lit-L-One