EastEnders fans think they have figured out how Chelsea Fox is linked to an upcoming big week on the BBC soap, after a promo image and trailer confirmed 'everything changes'19:02, 25 May 2026Fans of EastEnders think they have figured out something that happens to Chelsea Fox on the BBC soap.‌A recent trailer and accompanying promo images revealed Chelsea was one of several characters caught up in a big week of episodes. It was confirmed that in June, a week of episodes would be set across one evening.‌The evening in question is Vicki Fowler and Ross Marshall's wedding day. It's said the events that happen will "change everything", with more than one character set to be impacted.‌The soap confirmed: "The Beale, Branning, Knight and Fox-Trueman families for different reasons will find themselves at the heart of the drama", with big repercussions in the fallout. One of the characters pictured and featuring in the trailer was Chelsea.READ MORE: EastEnders icon makes unannounced return with huge news for Zack - as fans stunnedREAD MORE: Emmerdale axe Dingle family star after ITV 'bloodbath' and budget cutsFans believe something significant happens to her. The news of Chelsea's killer ex Gray Atkins making a comeback to the BBC soap has left fans convinced it is linked to him.‌Some fans wondered if he leaves Chelsea in danger, as others wondered if he might kidnap their young son Jordan. Taking to social media, one fan said: "Gray's back."Another viewer agreed: "With the Gray comeback he kills again and this time Chelsea is in deadly danger." A third fan theorised: "Grey going to kidnap his son."A fourth viewer theory read: "Well Gray is coming back so that's the story for Chelsea," as another said: "Grey is out!." One more fan said: "I cant understand how Gray can get out.... but this is soap land."‌A final suggestion from a viewer said: "Grey is back." It's been tipped to be an unmissable week, with more spoilers giving new details soon.Other characters confirmed to be featuring, according to the trailer, are Ian Beale and Cindy Beale, as well as Lauren, Max and Oscar Branning. George Knight also features in the trailer, alongside Denise Fox.‌Nicola Mitchell and Yolande Trueman are also included, while Jack Branning also appears to be in the teaser. It comes following the announcement that Denise, Chelsea's mother, will be diagnosed with blood cancer.Executive Producer Ben Wadey said: "It was vital to us that Denise’s storyline is portrayed with sensitivity and care, and we’re grateful to Blood Cancer UK for their advice in helping us tell this story accurately. As viewers follow Denise, we hope to shine a light on the realities and challenges of an acute myeloid leukaemia diagnosis and the impact it has on the person affected and those around them."Article continues belowEastEnders airs Mondays to Thursdays at 7:30pm on BBC One and BBC iPlayer. * Follow Mirror Celebs and TV on TikTok , Snapchat , Instagram , Twitter , Facebook , YouTube and Threads .