So A Magikarp Walks Into A Bar...

[pikakitten]

And gets drunk and starts rapidly shifting through forms.

So a Castform floats into a bar...

 

[Blaze42]

And uses hail, which angers everyone else.

So a Zangoose walks into a bar...

 

[pikakitten]

And a Seviper is inside. You know what happens next.

So Meloetta flies into a bar...

 

[BR8N03epsilon]

...well, not flies, really, she walked, but she was very light on her feet.

So a Missingno. walks into a bar...

 

[pikakitten]

And all hell breaks loose.

So a Bad Egg hatches in a bar...

 

[BR8N03epsilon]

...and...oh dear, it was a miscarriage.

So Luvdisc flops into a bar...

 

[Meowing Mewtwo]

And steps on the first Pokémon he sees. In order to make up for the mistake, he proceeds to put ketchup on everyone's food. *cough* never eating there again *cough*

So a Delcatty flounces into the bar...

 

[BR8N03epsilon]

...and gets chased away by a Granbull.

So a Porygon-Z floats into a bar...

 

[pikakitten]

And goes crazy so they disassembled him. But he ran away scared of being "disassembled" and dying. Cookie to the person who gets the reference.

So Voltorb rolls into a bar...

 

[Blaze42]

And somebody mistakes him for a Pokéball, and tries to throw it.

So a Scolipede slides into a bar...

 

[pikakitten]

And poisons the drinks.

So a Blissey walks into a bar...

 

[BR8N03epsilon]

...and everyone tries to eat the egg.

So an Azumarill walks into a bar...

 

[pikakitten]

And everyone found out it had a sex change when evolving into Marill.

So a Bulbasaur walks into a bar...

 

[BR8N03epsilon]

...and uses Vine Whip to get the drink while still in the doorway.

So a Plusle walks into a bar...

 

[Zayphora]

And claps like an idiot, getting himself kicked out.

So an Emboar walks into a bar...

 

[Yellow Silver Nostalgia]

... and snorts when he's laughing.

So a Ditto Misty walks into a bar...

 

[BR8N03epsilon]

...and meets Zoroar disguised as Ash. They live happily ever after. Well, until Hoenn.

So a Clefairy walks into a bar...

 

[pikakitten]

And finds Ash and double slaps him for being replaced by Pikachu.

So Prof. Oak walks into s bar...

 

[BR8N03epsilon]

...and sees Professor Juniper with another tree.

So Gary Oak walks into a bar...

 

[pikakitten]

With his cheerleaders even though he's 10 and drinking.

So Red walks into a bar...