This short seems to have only been created to help advertise the music that was created and that basically had a whole music video for in the first 5 minutes. The plot of the short is basically team rocket has built a secret base and are about to show it off to the boss and they leave their pokemon to guard the base and to prepare a dance number to impress the boss.

They will do this by using a magic stick Meowth has that makes all pokemon in the area dance, along with a few pokemon they have trapped.

~!Of course Pikachu and his friends discover the trapped pokemon and sneak in to free them, soon they are caught but the magic stick accidentally gets activated and they do a dance number to a rhythmic song (that is played EVERY time they dance) during the dancing parts of the base is damaged until the stick accidentally gets turned off, now a chase segment happens until yet again the stick is hit and they do another dance number, parts of the base gets damaged until it's accidentally turned off

This pattern keeps repeating for the rest of the 25 minutes of the short. Sure some bits are funny, but it's basically just watching pokemon dancing until eventually the base is destroyed. The end.

I suppose if you do find entertainment in Pokémon just doing stuff. Then you would like this short. Or maybe if this was playing on loop in a doctor's waiting room it would keep some kids busy.
Most of the funny moments really depend on slap stick humor, which makes sense since only one pokemon in the group can really talk which is meowth and he doesn't even really talk that much. Also it was a bit of a bummer that we never got to see Jessie and James and the boss react to the destroyed base it would have added a bit more to the ending. I will admit the first song is kind of fun to listen to, and the animation is pretty nostalgic

Being honest at this point i’ve said most of what I want but I need to reach the word count. I did see one person out on the internet say this reminded them of a fairytale "The Red Shoes", a macabre fairy tale steeped in grim, unsettling imagery. It centers on the tragic figure of Karen, a young girl cursed by an angel to dance ceaselessly in a pair of enchanted red shoes. Driven to a state of absolute despair, she begs an executioner to sever her feet to escape the torment. Yet, the horror only intensifies when she sees the shoes continuing their frantic dance before her—with her severed feet still trapped inside. In her final moments, she turns to God for mercy, only for the same angel to return and strike her dead, causing her heart to burst from the strain.
I personally don’t think the writers were specifically thinking of this story when making this short, but you never know I guess