So a Castform walks into a bar...

[PageEmp]

And causes the drinks to float.

A Kingdra swims into the bar...

 

[Adam Levine]

..encounters a huge amount of fairies, and walks out.

A Kabuto walks into a bar...

 

[Otamajakushi]

... and starts a new viral dance involving everyone in the bar imitating a Kabuto.

Mewtwo walks into a bar...

 

[FireSnow]

... and drinks a bit too much leading to a long speech about how he will rule the world with an army of PokeClones. (weirdo ;) )

So Mew floats into a bar...

 

[noa]

...And becomes the life of the party because it's so cute!

A Spinda stumbles into the bar...

 

[PageEmp]

And starts grabbing drinks and shaking them while dancing.

A Finneon goes into the bar...

 

[FireSnow]

...and looks for the closest bucket of water that he can swim around in.

So a Golett walked into a bar...

 

[Adam Levine]

...and said, "What has this world become? Why does everything seem so modern?"

So a Shelgon walks into a bar...

 

[Sirfetch’d]

...and sprouts it's wings!

So then a Shellos slivers into a bar...

 

[ddrox13]

... and meets the love of his life, an East Sea Shellos.

So Yveltal flew into a bar...

 

[Sirfetch’d]

...and roosted at the very top!

So then a Manectric walks into a bar...

 

[FireSnow]

....and helped to power the generator during a surprising blackout!

So a Golurk stomped into a bar...

 

[Sirfetch’d]

....and flew out after ordering drinks for everyone!

So then a Castform floated into a bar...

 

[FireSnow]

...and was forced to continually change its form due to others constantly hanging the weather

So a Mienfoo walked into a bar

 

[Master of Memes]

And sings "1,000,000 bottles of beer on the wall"
So a Snorunt walked into the bar...

 

[Sirfetch’d]

...and uses Frost Breath to cool it's drink!

So then Florges floats into a bar...

 

[illumine]

...and enquires as to the nature and IVs of the bar.

So, like, a Nidorina prances into a bar...

 

[PageEmp]

And stings Pancham Cutie.

Pancham Cutie walks out of the bar, reverts himself to poke-form, and walks into the bar as Pancham...

 

[illumine]

...and runs into a Pikachu, engaging in enthusiastic gossip as to why Pancham is now clearly not canonical.

Meanwhile, a Grovyle jaunts into a bar...

 

[Adam Levine]

...and quickly runs to a Riolu, saying, "RIOLU! WE HAVE TO GO BACK! BACK TO THE FUTURE!"

So a Ninetales walks into a bar...