You know you've played too much pokemon when...

[Voltorb2005]

When you go to the local science lab and ask the scientist there to check your pokedex.

[I shall call you Squishy and you shall be mine]

lollo.  many different answers

[BlackStatic]

when the only way your parents can talk to you is through DP's voice chat.

[I shall call you Squishy and you shall be mine]

When you only talk to your mum to heal your pokémon and your dad has mysteriously disappeared...

[Caldoran]

^Classic

When you walk into a pharmacy expecting them to sell red and white spheres, and potions that can heal ''Pokémon''

[I shall call you Squishy and you shall be mine]

And maybe even some steroids especially for more "pokémon"

[Typh]

When you try to breed a pile of sludge with some gas! lol.

[Webby]

When you sit in front of the computer singing the theme tune with 4 people, grab a cat and say, "Go, Phoebe, use Scratch attack!"

[nintendoguy]

When you ask your school tutor or headmaster what pokemon they have caught, if you can see thier tariner card, do they want to trade or battle, and how many Gym badges have got so far, etc...

[I shall call you Squishy and you shall be mine]

When you collect little pin badges and pin them to the INSIDE of your jacket

[Voltorb2005]

When you go to the local TV centre and ask for a lottery ticket.

[I shall call you Squishy and you shall be mine]

When you can fight in the TV station

[TSOL]

When you stick a fish to a manta ray with super glue and call it a mantine.

[Little Charm~Happy birthday to me~]

When you go to a fancy dress party- say you were gonna come as Lisa Simpson. You forget, come dressed as Misty/May/Dawn.
When you call Bart Simpson Ash.
When you start a trainer battle between you and your siblings. You also have your "pokemon" as Spongebob toys(!).
When you say "What's up, Poke?" instead of "What's up, doc?"
You start making a video involving Squirtle/Charmander/Geodude/Butterfree as W.i.t.c.h.
You sing "Who needs the pokemart!!" instead of "Who needs the kwik-e-mart!!!" 

[Mathers]

When you go shopping and ask a shop assistant where the Hyper Potions are.