So a Castform walks into a bar...

[Sirfetch’d]

....and starts a drought!

So the a Vileplume walks into a bar...

 

[magicarp4thewin]

...and scares off all the bar partons with her spores!

So a piplup waddles into a bar...

 

[Sirfetch’d]

...and everyone adores it's cuteness!

So then a Metapod is carried into a bar...

 

[Otamajakushi]

... and sits there using Harden for several hours in the corner, while everyone else dances and has fun. Nobody takes the time to notice that poor Metapod can't easily participate.

So a Reshiram walks into a bar...

 

[Sirfetch’d]

....and burns it's bar stool!

So then a Noibat flies into a bar...

 

[PageEmp]

And attacks Kaiyu.

Kaiyu walks out the bar, turns himself into Blastoise, and re-enters the bar...

 

[Adam Levine]

...and everyone is all like, "Hey. What happened to Kalyu?"

So a Whimsicott slips through the bar door...

 

[illumine]

...and walks the plank. Ouch.

So a Skitty saunters into a bar...

 

[PageEmp]

And magically turns into a person.

TheFattestSnorlax gets grossed out by this, walks out, and re-enters as a regular Snorlax...

 

[FireSnow]

...and eats and drinks the bar out of business

So an Avalugg stomps into a bar...

 

[Sirfetch’d]

...and is mistaken for a table!

So then a Ursaring walks into a bar...

 

[PageEmp]

And he does his boring homework.

A Nuzleaf walks into the bar...

 

[FireSnow]

...and almost gets mistaken as an ingredient for a drink!

So a Tauros ran into a bar...

 

[PageEmp]

And crashes into a red shelf as he thought it was that bullfighting cape.

A magic potion on the shelf suddenly fell onto Arsenic, who turns into a Poliwhirl that walks into the bar...

 

[illumine]

...and gets mistaken for alcohol, until it evolves into a Fighting-type.

So a Meowth poisoned by arsenic walks into a bar...

 

[classiccartoonsftw]

...and pukes on the floor.

So a Bisharp walks into the bar...

 

[illumine]

...and avoids the puke, wondering if it was a Camerupt.

So, like, a Bulbasaur wanders into a bar...

 

[ddrox13]

... and is sad beacuse no one wants to play with him :(

So a Quagsire somehow gets into a bar...

 

[illumine]

...and plays with the Bulbasaur. It wishes it had stayed alone.

A Roselia then walks into a bar...

 

[FireSnow]

... and helps the bar smell much better

So a Lilligant walks into a bar...