The highlight of the film is undoubtedly the encounter with "Smart" Beavis and "Smart" Butt-Head from a parallel dimension. This isn't just a visual gag (though seeing them with sharp suits and glasses is hilarious); it is a satire on intellectualism.
Her interaction with them—specifically their misunderstanding of "docking"—serves as the inciting incident for the space mission. It highlights the central thesis of the film: smart people underestimate the destructive power of the stupid, and the universe pays the price.
You can find the film on major streaming platforms including: Paramount+ Prime Video Apple TV Beavis and Butt-Head Do the Universe | Rotten Tomatoes
Then your universe sucks.