So a Castform walks into a bar...

[Adam Levine]

...and requests apple cider. All of it.

A Claydol floats into a bar...

 

[Sun]

... and bumps onto Bronzong!
So then a Slowking strolls into a bar...

 

[Sirfetch’d]

...and brags about his intelligence!

So then a Kingler walks into a bar...

 

[Sheep]

...then tries to pick up a glass of water and accidentally crushes it with his pincers, making him sadly scurry out the door again.

So a Lileep slithers into a bar...

 

[Sun]

... and uses Constrict to Anorith her long time buddy!
So then a Raichu walks into a bar...

 

[Adam Levine]

...and complains about the fact that he's not the franchise mascot.

So a Ferroseed rolls into a bar...

 

[Hikamaru]

And accidentally hurts someone with its barbs.

So a Trapinch walks into the bar...

 

[Sun]

... and dances to impress!

So then a horde of Mareep walk into a bar...

 

[Sirfetch’d]

....and warm the place up with all the wool!

So then a Turtwig walks into a bar...

 

[Adam Levine]

...and thinks about turning a new leaf. (don't kill me)

So a Gogoat trots into a bar...

 

[Sun]

... and hits every Pokemon in sight with Razor Leaf!
So then Lord Diglett pops into a bar...

 

[Adam Levine]

..and everyone bows down. Like, WAAAAAY down.

So a Hitmonlee walks into a bar...

 

[PageEmp]

And starts kicking the bar!

A Bellsprout stumbles into the bar...

 

[Sun]

... And trips into a Slugma! :'(
So then a Sandslash digs into a bar...

 

[Sirfetch’d]

....and accidentally digs too far causing the bar to collapse!

So then a Mudkip walks into a bar...

 

[Sun]

... and asks the crowd if they liek mudkipz!
So then a Celebi flies into a bar...

 

[Sirfetch’d]

...and grows a tree in the middle of the bar!

So then a Ditto slivers into a bar...

 

[magicarp4thewin]

And transforms into the bartender creating mass confusion among the patrons

So a gigalith stamps into a bar...

 

[Meadow]

...and completely wrecks the cheap wooden floor! xD

So then a gangsta Pikachu walks into the bar...

 

[magicarp4thewin]

And realize he's too good for that dump and walks across the street to a resturant (I mean really the floors are terrible in there :p)

So a pachirisu scurries into the bar...