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The official lyrics to "Go Go Mario," translated into English from Japanese:

Today, full of energy, Mario is still running, running
Go save Princess Peach! Go!
Today, full of energy, Mario runs
Today, full of energy, jumping!
Today, full of energy, searching for coins
Today, keep going, Mario!

Get a mushroom - it's Super Mario!
Get a flower - it's Fire Mario!

Goomba! Troopa! Buzzy Beetle! Beat them all!
Mario is always full of energy and strong!

[Spoken] The only one who can reverse the spell that has captured the Mushroom People is Princess Peach. But Princess Peach is hidden underground, in a far-off castle. Ah, the days of peace... if we could once more return to those days... to save Princess Peach and bring peace back to the Mushroom Kingdom, that is why Mario is on his journey today.

Today, full of energy, Mario is still running, running
Go and beat the Koopa tribe, go!
Today, full of energy, Mario runs
Today, full of energy, jumping!
Today, full of energy, searching for coins
Today, keep going, Mario!

Get a star - become invincible!
Quickly, go save Princess Peach!

Lakitu! Blooper! Cheep Cheep! Beat them all!
Mario is always full of energy and strong!

Today, full of energy, Mario is still running, running
He's made it to the castle and gets fireworks!
Lightly sidestepping the Hammer Bros.
Show the last of your power, Mario!
It's been a long journey but it's nearly at an end
You've done it, you've done it! You've defeated Bowser!

Princess Peach says "Thank you"
Mario's got a great big heart!

Mario's adventure is over for now, but
Mario's dream lives forever...

A bug or Cait's interpretive dance ?

There hasn't been a new Katamari game since 2012, but the time may finally be coming! 

Bandai Namco just filed a trademark for "Touch My Katamari" as well as registered a domain for the same name. There are no details about the game yet, but don't be surprised if you hear of a new Katamari some time in the near future.