The Cosmic Secret: 7 Things You Need To Know About Mountain Dew Dark Berry Bash (and Where To Find It)

Contents

Mountain Dew Dark Berry Bash is one of the most sought-after and mysterious flavors in the entire Dew universe, and as of late 2025, it remains a permanent fixture that fans actively travel to find. This elusive, electric-blue concoction is a prime example of PepsiCo’s strategy of creating exclusive fountain-only flavors, driving Dew Nation into a frenzy. It’s not just another berry soda; it's a carefully crafted blend that has sparked countless debates and comparisons across social media, cementing its status as a true must-try for any serious soda enthusiast.

The biggest question surrounding this flavor is always its availability—and the answer is the key to your quest. Launched in 2021, the Dark Berry Bash is a permanent, exclusive offering that you absolutely cannot find in bottles or cans at your local grocery store. It is one of the pillars of the exclusive Mountain Dew lineup, sitting alongside legendary flavors like Baja Blast and Mountain Dew Legend. If you’re looking to try this "out-of-this-world flavor," you need to know exactly where to go and what to expect from its unique taste profile.

The Essential Dark Berry Bash Profile: Availability, Flavor, and Origin

To understand the hype, you must first understand the basics of this exclusive soda. The Dark Berry Bash is not a limited-time offering; it's a commitment from Mountain Dew to a specific restaurant partner, making it a permanent part of the dining experience.

  • Exclusive Availability: Applebee's Grill + Bar
  • Secondary Availability: Cosmic Wings (The ghost kitchen brand operating out of Applebee's locations)
  • Launch Date: Fall 2021
  • Flavor Profile: A blend of Blue Raspberry and Blackberry flavors, all mixed with Mountain Dew's signature citrus base.
  • Color: A vibrant, deep blue or cosmic purple hue.
  • Status: Permanent Fountain Exclusive (as of December 2025)
  • Parent Company: PepsiCo

1. It's a Permanent, Exclusive Applebee's Staple

The most crucial piece of information for any Dew fan on the hunt is its location. Mountain Dew Dark Berry Bash is an exclusive fountain drink available only at Applebee's Grill + Bar locations nationwide. This means you will not find it at Walmart, Target, or any convenience store. The exclusivity is part of its appeal, turning a trip to the neighborhood grill into a mini-quest for a unique beverage experience. This strategy mirrors the success of other exclusive flavors, creating a dedicated following willing to seek it out.

Interestingly, because many Applebee's locations also operate as the ghost kitchen brand Cosmic Wings for delivery, you may also be able to order Dark Berry Bash via delivery apps. However, the most reliable method is still visiting an Applebee's restaurant and ordering it with your meal, or sometimes, as a to-go gallon option.

2. The Flavor is a "Cosmic" Blue Raspberry and Blackberry Collision

The official flavor description is an "out-of-this-world flavor" that features a mix of blue raspberry and blackberry, all infused with the classic Mountain Dew citrus blend. Fans often describe the taste as a bright, tangy berry explosion that leans heavily on the sweet, artificial blue raspberry notes, which are then balanced by the deeper, slightly darker undertones of blackberry. The core citrus taste of Mountain Dew is still present, providing the familiar, zesty finish that prevents the drink from becoming overly syrupy.

This distinct profile is what sets it apart from other berry-flavored Dews. It’s designed to be a vibrant, refreshing pairing for the American-style cuisine served at Applebee's, from their famous appetizers to their hearty entrees.

3. It's Constantly Compared to Mountain Dew Voltage

One of the most frequent discussions in the Mountain Dew community is how Dark Berry Bash compares to the readily available, store-bought flavor, Mountain Dew Voltage. Voltage is famously a blue raspberry flavor with a hint of ginseng. Many fans who have tried Dark Berry Bash note a strong similarity, with some even saying the Dark Berry Bash "literally tastes like Voltage" but with a slightly more pronounced or different berry twist.

The key difference lies in the specific berry blend: Voltage is primarily blue raspberry and ginseng, while Dark Berry Bash is explicitly a blue raspberry and blackberry combination. For those who love Voltage, the Dark Berry Bash offers a similar, yet distinct, experience that often feels richer or "darker" due to the blackberry component.

4. The Fan Demand for Bottled Release is Extremely High

Despite its permanent status as a fountain exclusive, the desire for bottled Dark Berry Bash remains one of the loudest requests from Dew Nation. Fans frequently take to social media platforms like Reddit to share their hopes that PepsiCo will follow the path of Baja Blast, which started as a Taco Bell exclusive before becoming a seasonal, and sometimes permanent, bottled flavor.

The intense positive reviews and the constant comparison to other popular flavors like Purple Thunder (a Kroger exclusive) and Voltage only fuel this demand. For now, the only way to get your fix is to visit an Applebee's, which maintains its status as a highly sought-after, rare Mountain Dew experience.

The Dark Berry Bash vs. The Exclusive Dew Universe

The world of Mountain Dew exclusives is a complex web of franchise partnerships. To truly appreciate Dark Berry Bash, it helps to see where it fits among its exclusive brethren. Understanding these comparisons adds to the topical authority and depth of any conversation about the flavor.

5. Don't Confuse It With the Buffalo Wild Wings Exclusive

It's a common mistake for fans to confuse the Dark Berry Bash with the exclusive flavor found at Buffalo Wild Wings. That flavor is Mountain Dew Legend, which is a blackberry-lime variant. While both feature blackberry, Legend has a distinct lime and spicy kick, whereas Dark Berry Bash is a sweeter, more straightforward blue raspberry and blackberry soda. The two are completely different and exclusive to their respective restaurant chains.

Other notable exclusives that round out the Mountain Dew portfolio include: Baja Blast (Taco Bell), Sweet Lightning (KFC), and Maui Burst (Dollar General).

6. The "Dirty Soda" Trend Has Given It New Life

The recent popularity of the "Dirty Soda" trend—a mix of soda, creamer, and sometimes syrup—has given Dark Berry Bash a new lease on life. Fan posts have shown people making a Dark Berry Bash Dirty Soda by adding a splash of coconut creamer to the fountain drink. The creamy coconut flavor blends surprisingly well with the tangy blue raspberry and blackberry, creating a richer, dessert-like beverage that further enhances the flavor's versatility and appeal.

7. It's a Top-Tier Permanent Exclusive Since 2021

When Mountain Dew Dark Berry Bash launched in 2021, it was an immediate hit. Its permanent availability ensures that, unlike limited-time offerings such as VooDew or seasonal flavors like Pitch Black, you can always rely on finding it at an Applebee's. This longevity, coupled with its unique, highly-rated flavor, secures its spot as a top-tier exclusive. It’s a flavor that has successfully carved out its own niche, offering a satisfying blend that is both familiar to Dew drinkers and distinct enough to warrant a special trip. For anyone looking to complete their Mountain Dew flavor checklist in late 2025, a visit to Applebee's is non-negotiable.

The Cosmic Secret: 7 Things You Need to Know About Mountain Dew Dark Berry Bash (and Where to Find It)
mountain dew dark berry bash
mountain dew dark berry bash

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