The newly released 4K version of “Mad Men” on HBO Max was supposed to give viewers an upgraded look at the series.

Instead, fans quickly spotted a glaring production mistake where a crew member operating a fake vomit machine is fully visible in one of the show’s earliest and most memorable scenes.

The error appears in the Season 1 episode “Red in the Face” when Roger Sterling (John Slattery) gets sick after downing oysters and martinis before being forced to climb 23 flights of stairs.

the new 4K transfer of mad men on HBO somehow does not have any of the post-production edits added in, which means you get stuff like this where you can see the crew member manning the puke machine after Roger has too many oysters lmao pic.twitter.com/HNgPRNOsla — johnny (@bigrackspart7) December 2,

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