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\n Related: <\/span>Castle\u2019s Susan Sullivan Reveals Lung Cancer Diagnosis, Undergoes Surgery<\/span><\/a>
\n\t\t<\/h3>\n<\/p><\/div>\n\n\t\t\tSusan Sullivan surprised fans earlier this month after undergoing a mystery surgery \u2014 and later revealing that she is battling cancer. \u201cLife\u2019s surprising little turns try to be ready for them with humor and hope. On we go,\u201d Sullivan, 80, wrote via X on Monday, October 16. The Castle alum \u2014 who played Martha Rodgers [\u2026]\t\t<\/p>\n<\/div>\n
The video also featured pasted graphics that read \u201cHUH?\u201d and \u201cConfused.\u201d<\/p>\n
Five days earlier, Marshall shared another Instagram<\/a> post that included a photo of Max, played by Sadie Sink<\/strong>, lying in a hospital bed as she remained in a coma during the beginning of season 5. \u201cBut where was Max\u2019s mom??\u201d a block of text read atop the photo, while the caption continued, \u201cOkay folks! It\u2019s over \u2026 but where was she? What kind of mother isn\u2019t there for her child while she\u2019s in the hospital?\u201d<\/p>\nFans took to the earlier post\u2019s comments section to share their curiosity over Susan\u2019s exclusion from season 5. \u201cWas hoping to see you! Asking the same question,\u201d wrote one fan, while another commented, \u201cI was looking for you at the graduation!!! Everyone\u2019s family was there but Max\u2019s? They did her wrong!\u201d<\/p>\n
In the hit series, Susan turned to alcohol after her husband, Neil Hargrove, left the family home following the death of Billy Hargrove, Max\u2019s stepbrother. Susan\u2019s final appearance came in season 4 where she was impersonated by Vecna in the yard of her trailer.<\/p>\n
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Stranger Things<\/em> fans have shared online theories as to where Susan ended up, with some social media users speculating that she may have died when Hawkins was split in four at the end of season 4.<\/p>\nSink, 23, offered her own take on Susan\u2019s disappearance during an interview with Vulture<\/em><\/a>, published on December 25, 2025. When asked if she\u2019d \u201cgiven much thought\u201d as to where her fictional mother was during Max\u2019s coma stint, Sink provided thoughts.<\/p>\n\u201cIt\u2019s kind of common for the parents on the show: You just don\u2019t know where they are except for Karen Wheeler [played by Cara Buono<\/strong>]. My theory is that Max\u2019s mom must have disappeared or died at some point in the rift at the end of season four, because it goes through the trailer park,\u201d Sink told the outlet before admitting that the show did \u201ckind of gloss over\u201d the season 4 finale in the final Stranger Things<\/em> episodes<\/a>.<\/p>\n<\/p><\/div>\n
Fans took to the earlier post\u2019s comments section to share their curiosity over Susan\u2019s exclusion from season 5. \u201cWas hoping to see you! Asking the same question,\u201d wrote one fan, while another commented, \u201cI was looking for you at the graduation!!! Everyone\u2019s family was there but Max\u2019s? They did her wrong!\u201d<\/p>\n
In the hit series, Susan turned to alcohol after her husband, Neil Hargrove, left the family home following the death of Billy Hargrove, Max\u2019s stepbrother. Susan\u2019s final appearance came in season 4 where she was impersonated by Vecna in the yard of her trailer.<\/p>\n
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Stranger Things<\/em> fans have shared online theories as to where Susan ended up, with some social media users speculating that she may have died when Hawkins was split in four at the end of season 4.<\/p>\n Sink, 23, offered her own take on Susan\u2019s disappearance during an interview with Vulture<\/em><\/a>, published on December 25, 2025. When asked if she\u2019d \u201cgiven much thought\u201d as to where her fictional mother was during Max\u2019s coma stint, Sink provided thoughts.<\/p>\n \u201cIt\u2019s kind of common for the parents on the show: You just don\u2019t know where they are except for Karen Wheeler [played by Cara Buono<\/strong>]. My theory is that Max\u2019s mom must have disappeared or died at some point in the rift at the end of season four, because it goes through the trailer park,\u201d Sink told the outlet before admitting that the show did \u201ckind of gloss over\u201d the season 4 finale in the final Stranger Things<\/em> episodes<\/a>.<\/p>\n<\/p><\/div>\n