You know __________ when...

[Guardian]

...He uses Pikachu against Onix

You know Misty should be in the anime when...

 

[Meadow]

...you're watching the first season! ;)

You know Mudkip will dominate the world when...

 

[Meadow]

...when he is somehow the father of both Brendan and May!

You know you're gonna encounter a shiny Pokémon when...

 

[Lycanthropy]

...you nearly get blinded by the flashy light when you're encountering the Pokémon.

You know you're a fantastic Pokémon breeder when...

 

[Meadow]

...when you can make a face like this:

Spoiler:

You know a Master Ball will fail when...

 

[DforDragoz]

...you throw it on a trainer battle. "Shame on you!" The trainer says.

You know your Pokemon will evolve when....

 

[Nidorina of Time Lord]

You cry over fainted Pokémon even before you start the challenge!

You know you won't be seeing Nurse Joy for a while when...

 

[Lycanthropy]

...got kicked out of the Pokémon Center and she hires security guards to prevent you going back in.

You know wild Gastly are haunting a mansion when...

 

[Meadow]

...when you see cups of beer levitating in midair!

You know an item is useless when...

 

[Guardian]

...it's not a poisoned ice cream.

You know your Pokemon is good as gone when...

 

[Sopheria]

...there's an annoying beeping sound that kinda gives you a headache x.x

You know your Pokemon is underleveled when...

 

[Meadow]

...when you avoid random trainers and can't be bothered to level-grind! :D *cough*

You know you're not gonna beat Brock when...

 

[Guardian]

...level 5 Charmander.

You know you chose a wrong starter when...

 

[Squirrel]

... you look at its icon and see a lettuce bobbing up and down!

You know you're an accomplished trainer when...

 

[Sopheria]

...you've scaled Mt. Silver and defeated Red o:

You know your Pokemon is properly EV trained when...

 

[Meadow]

...you used PokéSav to get the perfect EV spread. xD

You know a Pokémon is hacked when...

 

[Tsutarja]

...when it's shiny and has 6 IVs! XD

You know Gyarados is raging when...

 

[Meadow]

...when you've polluted the Lake of Rage with a ton of Rage Candy Bars! :O

You know you need a LOT of Repels when...

 

[Sirfetch’d]

...you run into 25 Zubat in 26 steps!

You know Roserade is happy when....

 

[theorcaking]

when it stops using razor leaf on you

you know magikarp is pissed when???