Double Date/Unused

Rhythm Heaven Fever
Double Date consists of the following versions in Rhythm Heaven Fever:

Rhythm Heaven Megamix
Double Date consists of the following versions in Rhythm Heaven Megamix:

Unused Content
According to the debug menu of Rhythm Heaven Megamix, a short version of Double Date was planned. This is further supported by the existence of strings for the short verison's Rhythm Item in Rhythm Tengoku: The Best+'s data, though they are blank.

The texture for the various characters catching the footballs in the background also contains sheep. While they were used in Double Date 2 in Rhythm Heaven Fever, they go unused in Rhythm Heaven Megamix.