This flavor was one of four Applebee's-exclusive Mountain Dew flavors.It is unknown if Vibe and Dark Berry Bash are associated with one another beyond these similarities. Both flavors present themselves as fountain mixes. Dark Berry Bash and Vibe are on PepsiCo's Contact Us page when searching for a specific product.It was supposedly replacing Berry Burst as the new Applebee's exclusive flavor, although there has so far been no evidence to back this up. In August 2021, it was officially released in Applebee's restaurant locations in the United States in soda fountains as a permanent flavor. On June 28th, 2021, new information surfaced about Dark Berry Bash, including its exclusivity to Applebee's locations, as well as its flavor profile. On July 7th, 2020, PepsiCo filed a trademark for Dark Berry Bash titled 'MTN DEW DARK BERRY BASH.' Its tagline is ' DEW Charged with Artificial Berry Flavor.' History Dark Berry Bash is a Dark Berry (Blue Raspberry and Blackberry) flavor of Mountain Dew and has a dark blue look, having a comparable tasting flavor and color to that of Dark Berry and Black Label.