Twin Bee Yahhoo! is a vertical-scrolling shoot-'em-up released by Konami as a coin-operated video game in 1995. It is the third and final game in the TwinBee series released for the arcades. During the same year as its arcade release, the game was released for the PlayStation and Sega Saturn in a two-in-one compilation with its predecessor, Detana!! TwinBee, titled Detana! TwinBee Yahho!. It was later included in the PlayStation Portable compilation TwinBee Portable, released in 2007. Like most games in the TwinBee series, it was released exclusively in Japan, although an unproduced U.S. version was planned under the title of Magical TwinBee.