One Fine Day... (World 3 Map, Human Laboratory World 3) - Mario Forever

"One Fine Day... (World 3 Map, Human Laboratory World 3) - Mario Forever" is a high quality rip of "One Fine Day... (World 3 Map, Human Laboratory World 3)" from Mario Forever.

Jokes
From 0:39 to 0:43 and 4:38, the melody changes to Meet the Flintstones. At 1:09, the melody then changes to the song "Snowy" from Undertale.