Invader Zim and Phineas and Ferb Crossovers
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GIR, I Know What We're Gonna Do Today! by AgentInvaderMinionofDoom reviews
GIR manages to send himself, Zim, Dib, and Gaz to another universe - which is Phineas and Ferb's backyard! What happens when Candace and Dib team up? Will Isabella make a new friend? What trouble does Gir get into? How will they get home! CHAPTER 12 IS UP! Thanks for your patience with this story; it's not abandoned! Rated K plus for mild cartoon wrestling.
Rated: K+ - English - Adventure/Friendship - Chapters: 12 - Words: 15,182 - Reviews: 70 - Favs: 41 - Follows: 34 - Updated: 6/16/2014 - Published: 7/15/2010
Crossover Cruise ship by AnonymousBiscuits reviews
IMPORTANT MESSAGE! When Dib,Zim,Jackie,Ryan,Penny,Phineas,Ferb,and Timmy get tickets to attend a cruise ship and do school, it gets more weirder on deck! Disclaimer inside story. Cartoons: Phineas and Ferb, Invader Zim, Fairly Odd Parents.
Rated: K+ - English - Humor/Adventure - Chapters: 3 - Words: 2,753 - Reviews: 7 - Favs: 4 - Follows: 3 - Updated: 11/16/2013 - Published: 12/3/2011 - Dib, Phineas
A Series of Madness by Galaxina-the-Seedrian reviews
Many years after facing a universal war, friends and enemies must come together to face an even bigger threat: the Nightmare...while these group of friends are busy handling their lives as sanity keeps escaping their grasp. AU; rated for violence and crude humor
Rated: K+ - English - Humor/Drama - Chapters: 1 - Words: 1,234 - Reviews: 4 - Favs: 3 - Follows: 5 - Published: 7/5/2012
Irkens, the new Doofenshmirtz by Kotawings reviews
Remember when the Doofinator called an alien armada with a guitar solo? Well, he tried it again, and the Irkens answered his call! Short story. Rated T for fighting and mild language. Possible ZAGR.
Rated: T - English - Adventure/Sci-Fi - Chapters: 7 - Words: 6,678 - Reviews: 16 - Favs: 11 - Follows: 2 - Updated: 6/29/2011 - Published: 6/11/2011 - Zim, Dr. Doofenshmirtz - Complete
Invader Ferb by SirHenryMotherDucker reviews
My first crossover. Zim decides he'll use Phineas and Ferb in his latest scheme. Will all be fine? Or will this end in doom? R R
Rated: K+ - English - Humor - Chapters: 1 - Words: 261 - Reviews: 8 - Favs: 3 - Follows: 2 - Published: 3/14/2011 - Zim, Phineas
Invader Miz by InvaderMarcelene reviews
Miz is sick of Zim ruining her plans, so she packs up her bags and leaves for Danville.PaIr, FaOCr.
Rated: K+ - English - Sci-Fi/Romance - Chapters: 1 - Words: 816 - Reviews: 2 - Favs: 2 - Follows: 1 - Published: 11/20/2010 - Phineas
Punishment by InvaderZimWannabeX3 reviews
Some mistakes leave you wondering what went wrong. Sometimes, you just have to suffer to find the answer.
Rated: K - English - Adventure/Friendship - Chapters: 2 - Words: 658 - Reviews: 16 - Favs: 5 - Follows: 7 - Published: 4/17/2010 - Zim, Phineas
Zimeas & Girb by Invisibool reviews
When GIR gets Zim lost, he meets Phineas, Ferb, and their friends. Their projects urge Zim to use the kids to create his Earth ruling weapon for him. Meanwhile, Minimoose follows Perry on one of his missions. Contains slight one-sided Gir/Isabella. Enjoy!
Rated: K+ - English - Humor/Romance - Chapters: 3 - Words: 869 - Reviews: 25 - Favs: 14 - Follows: 12 - Updated: 5/5/2009 - Published: 4/27/2009 - Zim, Phineas