The Pokémon Company has announced that the first installment of the " Poko a Pokémon Expansion Pass," titled " The Town of Bubbling Underwater," will be released on Wednesday, August 5, 2026!
Details on the new content for the first installment of the Expansion Pass, as well as the latest information on the second installment, have been revealed.
"The Town of Bubbling Under the Sea" Set for Release on August 5! Latest Information on the First Installment of the "Expansion Pass" Revealed
The release of " Bubbling Underwater Town," the first installment of the "Poko A Pokémon Expansion Pass," is set for the morning of Wednesday, August 5, 2026!
To commemorate the release, a special video for "Bubbling Underwater Town" has also been released.
Let’s take a look at the world of “Poko a Pokémon” as it expands into the depths of the ocean!
Expand your town even further in "Bubbling Underwater Town"! Latest Information on the First Installment of the Expansion Pass
There are tons of new features to enjoy in Expansion Pass Vol. 1, “Bubbling Underwater Town”!
Here’s the latest information that’s just been revealed.
"Bubbling Underwater Town" Arrives Alongside Ashimari
Metamon arrives alongside Ashimari in the new town, “Bubbling Underwater Town.”
By fulfilling the requests of Ashimari and the various Pokémon you encounter underwater, the town will gradually grow!
A new food you can grow: "Watermelon"
" Watermelon " makes its debut in " Bubbling Underwater Town."
The seedlings planted in the underwater fields will grow when Pokémon skilled in "Moisten, " such as Mudkip, blow bubbles to supply them with air.
You can also speed up the plants’ growth by getting help from Pokémon skilled in "Fertilize"!
Build a town unique to the underwater world with “Floating Blocks”
With the new “Floating Blocks ” feature, you can build structures that float underwater!
Team up with Pokémon skilled in “Construction” underwater and enjoy building three-dimensional towns unique to the ocean.
The "Bubble Machine" That Creates Bubbles When Electricity Flows Through It
Pokémon like Chonchii that are good at "Generate" can power underwater machines.
Turn on streetlights or operate a " Bubble Machine " that produces bubbles.
Power up all kinds of devices to make your underwater town even livelier!
Enjoy life and adventure underwater! Things to do in “Bubble-Bubble Underwater Town”
Here’s a look at the underwater life and adventures you can experience in “Bubble-Bubble Underwater Town.”
Create a stylish underwater room with new furniture
New furniture perfect for the underwater town is now available.
Decorate your room to your liking and enrich your underwater life with your Pokémon.
If you build the “Sharkfin Aquarium,” you can even create a room that feels like a secret base!
Even More Adventures Ahead
Beyond the hole at the bottom of the ocean lies the deep sea, where darkness stretches out.
Guided by glowing coral, you’ll be able to enjoy a heart-pounding adventure with your Pokémon.
Once you obtain the “Starmie Doll,” you’ll be able to visit Dream Island, a place you couldn’t reach before.
You can also swim and play together in the waters of Dream Island in multiplayer mode.
There’s also a new dish called “Smoothie,” new outfits, a power-up for the move “ Surf,” and new Pokémon making their debut...
We can’t wait to experience all the fun activities available in “Bubbling Seabed Town”!
Latest information on Expansion Pass Vol. 2 has been revealed! Information on early purchase bonuses is also available.
In the second installment of the "Poko a Pokémon Expansion Pass," you’ll be able to have fun dressing up by wearing "accessories" alongside your Pokémon!
In addition to a wide variety of accessories, new furniture and Pokémon will also be introduced.
Part 2 is scheduled for release in the winter of 2026!
You can buy Volumes 1 through 3 as a set! The "Poko a Pokémon Expansion Pass" is now on sale.
The paid add-on content "Poko a Pokémon Expansion Pass" bundles Volumes 1 through 3.
Check out the details for each volume here!
Volume 1: “The Town of Bubbling Under the Sea” (Available Wednesday, August 5, 2026)
- Addition of the new town "Bubble Bubble Undersea Town"
- Addition of Pokémon, furniture, and more
Part 2 (Scheduled for release in Winter 2026)
- Plans to add accessories, Pokémon, furniture, and more
Part 3 (Scheduled for release in 2027)
- Plans to add a new town
- Plans to add Pokémon, furniture, and more
Don’t miss the latest updates on Part 3, which will feature a new town!
"Expansion Pass" Purchase Bonus! Get the "Drool-Worm-Filled Pattern" and "30 Rare Poké Metals"
When you purchase the "Poko a Pokémon Expansion Pass," you’ll receive the recipe for the " Dotted with Ditto " wallpaper and block!
How to Claim
- 1. Purchase the "Poko a Pokémon Expansion Pass"
- 2. Tap the "+" button to open the "Main Menu," then select "Additional Content"
- 3. Select "Check Items," then select "Claim" on the next screen
The “Poko a Pokémon Expansion Pass” also comes with an early purchase bonus!
If you purchase by Tuesday, August 31, 2027, you’ll receive a serial code for “30 Rare Poké Metals, ” which can be used for crafting and other activities.
How to Claim
- Purchase the Expansion Pass
- Receive the serial code via the email address associated with your Nintendo Account
- Enter the serial code in the "Mystery Gift" section within the game
The serial code is valid until Thursday, September 30, 2027.
Check the official Pokémon website for details on how to claim "Mystery Gifts."
"Bubble Bubble Underwater Town" launches on August 5! Build a town with Pokémon underwater
The first Expansion Pass, “The Bubbling Underwater Town,” will be released on Wednesday, August 5, 2026!
You can finally play “Poko a Pokémon” underwater.
Check the official “Poko a Pokémon ” website for details on the new content.
Check the official Pokémon X account ( @Pokemon_cojp ) for the latest updates!
| Product Overview | |
|---|---|
| Title | Poko a Pokémon Expansion Pass |
| Supported Platforms | Nintendo Switch 2 |
| Distribution Format | Downloadable Content (Digital Version) |
| Release Date | "All About Metamon" Available June 10, 2026 (Wed) Part 1: "The Town of Bubbling Sea Creatures" Scheduled for release August 5, 2026 (Wed) Part 2: Scheduled for release in Winter 2026 Part 3: Scheduled for release in 2027 |
| Suggested Retail Price | 4,400 yen (tax included) |