Astronaut Pikachu is coming to Pokemon GO Space Week through a Pokémon and ESA collaboration tied to World Space Week, European museums, and a real ISS trip.
Image: IGDB
Astronaut Pikachu has a real flight log behind the event
Astronaut Pikachu is coming to Pokémon GO for World Space Week, and the hook is unusually literal: The Pokémon Company International says a special Pikachu plush traveled to outer space with French ESA astronaut Sophie Adenot before appearing in a ceremony at ESA Headquarters in Paris. Nintendo Life, citing the collaboration announcement, reports the plush was aboard the International Space Station for 67 days, from April 11 to June 27, 2026, completing 1,040 orbits.
That real-world spaceflight is the spine of Pokemon GO Space Week. Pocket Gamer reports that the in-game event gives players a costumed Astronaut Pikachu in one-star raids, alongside free Timed Research with an encounter among its rewards. The same collaboration also creates location-based Pokémon GO play at selected European science and space museums, where Astronaut Pikachu can appear with special Location Backgrounds.
The tension is that this is both a friendly World Space Week Pokemon GO event and a heavily place-based collaboration. Most players can understand the fantasy immediately: Pikachu went to space, so Pikachu gets a spacesuit. The most collectible version of that fantasy, however, appears tied to European museums and ESA locations, with different rewards depending on where you are.
How Pokémon GO Space Week uses the ESA partnership
The Pokémon Company International frames the ESA collaboration as a World Space Week project intended to spotlight ESA’s space exploration missions and inspire future explorers. Its official Pokémon.com announcement names ESA facilities and European museums as exhibition locations, says Pokémon Center and the ESA online shop will carry collaboration merchandise, and notes that Pokémon GO would offer in-game content during World Space Week.
Pocket Gamer supplies the Pokémon GO specifics: Astronaut Pikachu appears in one-star raids, free Timed Research runs alongside the event, and players must claim and finish those tasks by midnight on October 12. Pocket Gamer also reports that the main World Space Week event ends a couple of days before that research deadline, giving players a small buffer to finish tasks after the themed window closes.
For the game itself, the craft is simple but effective. A one-star raid keeps the costume chase approachable, which matters for a mascot variant built around a cross-media celebration rather than a hard combat test. Pokémon GO’s best small events often work this way: a cute collectible, a short research track, and a local discovery layer for anyone near a participating venue. Astronaut Pikachu fits that template neatly, with the ESA flight story doing the emotional lift.
The location layer is where the rarest versions live
Pocket Gamer reports that the space-themed Pokémon GO gameplay at six European science and space museums runs from October 4 through April 30, 2027. The named museum locations in Pocket Gamer’s report are the Science Museum in London, Cité de l’espace in Toulouse, Deutsches Museum in Nuremberg, Museu de les Ciències in València, Space Expo in Noordwijk, and the Euro Space Center in Transinne.
At those museums, Pocket Gamer says Astronaut Pikachu appears in one-star raids with a Location Background showing where it was caught. The same report says museum-based Timed Research will be available across the partnership period, with some encounters also carrying a Location Background. During the shorter October 4 to October 10 World Space Week window, spinning PokéStops at the museums is said to award themed Field Research.
That structure gives the collaboration two clocks. One is the public celebration of World Space Week from October 4 to October 10, which sets the event’s cultural timing. The other is the much longer museum campaign lasting until April 2027, which turns Astronaut Pikachu into a destination collectible for players already near, or planning to visit, those venues.
Pocket Gamer also reports themed wild spawns near the museums during World Space Week, with Clefairy, Lunatone, Solrock, Elgyem, and Starmie named in the provided report. Those choices fit the tone without needing much explanation: moon iconography, celestial bodies, extraterrestrial design language, and cosmic color all read clearly on a phone screen when the event asks players to connect a museum visit with space exploration.
The ESA sites come with a useful catch
The ESA facility side is slightly less clean in the available reporting. Pokémon.com lists six ESA facilities involved in the collaboration: ESA Headquarters in Paris, ESRIN in Rome, ESOC in Darmstadt, ESAC in Villanueva de la Cañada, ESTEC in Noordwijk, and ECSAT in Harwell. Nintendo Life also lists six ESA sites and attaches specific late September and early October open-day dates to them.
Pocket Gamer, meanwhile, reports that seven ESA sites receive the same Pokémon GO gameplay from October 4 to October 10, but without Location Backgrounds. The excerpt provided names ESA Headquarters in Paris and ECSAT at Harwell as examples, but does not preserve the full list. Because the official Pokémon announcement supplied here names six ESA facilities while Pocket Gamer describes seven gameplay-enabled ESA sites, players should check the official Pokémon GO channels or local venue information before making travel plans around a specific ESA stop.
The practical difference is important. According to Pocket Gamer, museums are the places where Astronaut Pikachu can carry a Location Background. ESA sites are reported to have event gameplay during the World Space Week window, but no Location Backgrounds. For collectors, that is the split between catching the costume and catching a tagged souvenir.
The spaceflight story gives the marketing a sturdier center
A mascot in a spacesuit could easily feel like another costume in a long line of Pikachu variants. This Pokemon ESA collaboration has a more concrete center because the plush actually went to the ISS. Pokémon.com says Adenot captured photos and videos with the Pikachu plush on Earth and aboard the International Space Station, and points readers to ESA for those materials. Space.com identifies imagery of Pikachu floating in the ISS Cupola, credited to ESA and NASA.
Kotaku reports that the plush traveled with Adenot in April, visited the ISS, orbited Earth 1,040 times, and returned in June after 67 days. Kotaku also notes, based on video differences, that it appears two Pikachu plushes may have gone to space. That last point is an observation from Kotaku’s report rather than a detail confirmed in the official Pokémon.com text provided here, so it should be treated as reported interpretation unless ESA or The Pokémon Company spells it out directly.
The business side is also openly present. Pokémon.com says Pokémon Center will sell collaboration products including plush, Pokémon TCG accessories, and apparel, while the ESA online shop will carry Pikachu-themed ESA items such as shirts, a tote bag, a notepad, and pins. The in-game Pokémon GO event, museum exhibitions, and merchandise line are all parts of the same campaign. The cleaner story for players is that the mobile event is the playable layer of a wider World Space Week push, not an isolated costume drop.
What to do if you want Astronaut Pikachu
If your goal is simply to add Astronaut Pikachu to your collection, Pocket Gamer’s report makes the path sound forgiving: look for one-star raids during the event and complete the free Timed Research before its October 12 midnight deadline. One-star raids are usually the most accessible raid tier in Pokémon GO, and Pocket Gamer specifically notes that players should not need to gather a group for this one.
If you want the museum Location Background, the requirements are narrower. Based on Pocket Gamer’s reporting, you need to be at a participating museum during the collaboration period that runs from October 4 to April 30, 2027, and you need to catch Astronaut Pikachu from the relevant one-star raids there. Some museum Timed Research encounters may also carry a Location Background, but the report does not say every encounter will.
If you are near an ESA facility during World Space Week, the reported gameplay window is shorter, from October 4 to October 10, and Pocket Gamer says those ESA locations do not provide Location Backgrounds. That makes them better suited to experiencing the event atmosphere than securing the most location-specific collectible.
The unanswered pieces are mostly logistical. The supplied sources do not give raid frequency, shiny availability, full Timed Research tasks, Remote Raid behavior, or whether every region receives the same base Astronaut Pikachu access outside Europe. Until Pokémon GO’s official event page fills in those details, the safest read is this: the costume is the broad Space Week prize, while museum backgrounds are the destination chase.