The Adventures of Super Mario Bros. 3

Oh, Brother! (1x11)

Air date: Oct 13, 1990

A rainstorm is currently taking place in the Mushroom Kingdom one night, and everyone appears to be confined to their homes. Princess Toadstool, Toad, Mario and Luigi are all inside Toad's House, where the Princess comments that there's been rain non-stop for two weeks while looking out the window.