Since the second season of Only Murders in the Building, I have had two recurring jokes. The first is that the Arconia must statistically be the most dangerous residential address in New York City. The second is imagining the despair of any real estate agent trying to sell an apartment there. Historic building, Upper West Side, beautiful architecture, interesting neighbors and… a murder rate that would be rather difficult to explain to a potential buyer.

The series itself eventually caught on to the joke and began incorporating it. Over the seasons, characters started commenting on the absurd number of crimes happening in the same place, and the Arconia stopped being merely a setting and became practically a character, complete with secret passageways, suspicious residents, employees who know more than they should and bodies turning up often enough to justify a very tense condo board meeting.

But there was an even bigger problem, one created by the title itself: Only Murders in the Building. If Charles, Oliver and Mabel only investigate murders connected to the building, how do you sustain a series that became much more successful than its own creators probably ever imagined?

Curiously, Only Murders managed to turn that limitation into part of its identity. Every year, it increased the level of absurdity, expanded its universe and brought in increasingly unbelievable guest stars. Meryl Streep stopped feeling like an impossible casting coup and became a recurring character. Then came Paul Rudd, Renée Zellweger, Christoph Waltz and many others. The small true-crime podcast created by three neighbors became one of television’s most coveted showcases.

Now, finally, the show seems ready to admit that it has become too big for its own building.

Season 6 takes Charles, Oliver and Mabel to London, after the Season 5 finale placed Cinda Canning, played by Tina Fey, at the center of the new mystery. It is the first time the investigation truly leaves not only the Arconia, but New York and the United States. Production began filming in London in May.

And Disney apparently decided to play with the title as well. At D23, promotional material for the new season appeared under the name Only Murders in London, a small change that says a great deal about how significant this move actually is. It is still not entirely clear whether this will be the official title for the entire season or simply a promotional identity, but it would be difficult to imagine a more elegant way of acknowledging a problem the series has carried for years.

London also allows Only Murders to do something it has become exceptionally good at: having fun with its cast. The new season has assembled David Tennant, Jodie Whittaker, Peter Capaldi, Nicola Coughlan, Martin Freeman, Jim Broadbent, Jennifer Saunders, Jane Horrocks, Sharon Horgan, Richard Ayoade, Simone Ashley, Derek Jacobi and even Geri Halliwell, among many others. At this point, it might be easier to ask who isn’t going to be in the season.

And perhaps that is the best news of all. After five years of forcing its writers to invent new reasons for someone to kill — or die — inside, around or suspiciously close to the same apartment building, Only Murders in the Building has finally realized that its real address was never the Arconia. It is Charles, Oliver and Mabel. As long as the three of them are together, the murder can happen anywhere. And the Arconia residents will be grateful. Especially the ones still trying to sell their apartments.