THE WASHINGTON NATIONALS ARE WORLD SERIES CHAMPIONS! And the Washington Capitals are very, very, very, very happy about it. The team was holding their Halloween party during Game Seven, and when the Nats took the W, the Caps went crazy.

Champagne was sprayed, conga lines were formed, trophies appeared out of nowhere somehow, and the team melded the melodies of “We Are the Champions” and “Baby Shark” pretty dang well throughout.

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John Carlson’s Instagram video pretty much captured the #mood.

The champagne bottles–and replica trophy–were at the ready.

Alex Ovechkin streamed it all live on Instagram, where he and Nicklas Backstrom–who dressed up at a Nats player for Halloween–roared “CHAMPIOOOOOONS” in a very sober manner.

Ilya Samsonov posted a congratulatory picture to his Instagram.

Not sure if the photo on the couch was pre- or post-conga line…

caps doing a baby shark conga line pic.twitter.com/qbiYRm3E7w — b. (@youripides) October 31, 2019

The Capitals team congratulated the Nats more formally.

TJ Oshie, an Olympic-caliber fountain-swimmer himself, mapped out some good fountains.

What an impressive run by these @Nationals. You could tell they had something special in that clubhouse. Congrats fellas! According to yelp here’s some fountains if you want to keep the tradition alive. #WorldChampions #FightFinished pic.twitter.com/kkcpmMi8bW — TJ Oshie (@TJOshie77) October 31, 2019

Now that’s what we call teamwork.

Headline image: @nastyashubskaya