Eagle-eyed Friends fans spot the creepy moment a mask's eyes glow bright red in the background

Eagle-eyed Friends fans spot the creepy moment a mask's eyes glow bright red in the background

• The very creepy moment appeared in season four of the cult show
• It's the latest blooper to be spotted by die-hard fans of the sitcom as it is streamed on Netflix 
• In the episode, Rachel is planning the ultimate romantic evening with new love interest Joshua - played by Tate Donovan
• Tate recently spoke about how difficult he found working with Jennifer on the show, as they were breaking up at the time, following a two-year romance
• In another recently spotted gaffe, Matt Le Blanc can be seen mouthing along to Jennifer's lines, as he stood behind her in a season six episode
• The final episode of friends aired 15 years ago but repeats are still run on TV most days 
• Friends fans have spotted a creepy shock gaffe in the background of a Season Four classic, where Rachel tries to pass of her sexy lingerie as a new dress.
  The episode - which sees Rachel face an awkward encounter with boyfriend Joshua's parents - has a creepy moment when a pair of red eyes appear to glow in the background, before disappearing mere seconds later.
  It comes as only the latest blooper to be spotted by die-hard fans of the sitcom as it is streamed on Netflix, after several fans also spotted actor Matt Le Blanc mouthing along with Jennifer Aniston's lines in a clip posted to Twitter.  
  

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  Easy to miss: Friends fans have spotted a creepy shock gaffe in the background of a Season Four classic, in which the eyes of a mask glow red for a few seconds 

  'See, I work in fashion and this is a real dress. 'They're wearing it in Milan… A part of my job is to wear the clothes and then I see how people respond and then I report back to my superiors at Bloomingdales. 

  'And obviously in this case, I'm going to report back ''USA, not ready.''

  As Joshua's father then asks whether the pair have eaten, the eyes can just be seen coming to life in the background.
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  He told US Weekly: 'I was just happy to be on the team. The only bummer was Jennifer and I were breaking up at the time.
  'And so that was tricky to sort of act, and act like we are just meeting each other, and falling in love, or whatever, interested in each other, when we're sort of breaking up.Netflix had already been paying owners WarnerMedia $30million per year since 2015 to have the beloved series among its colossal catalogue, but fans were recently outraged when the show was set to expire from the streaming service on January 1.
  However, within hours of the news breaking, the New York Times reported that bosses at Netflix had struck a new deal, which has proved to be decidedly lucrative for the already high-earning stars.
  The stars' road to their big pay day has been a heavily documented one, with each of them earning a comparatively modest $22,500 per episode when the show made its debut on NBC back in 1994.
  With the dawning of season two came a variety of salaries, with the newly-famous actors separately renegotiating their contracts, picking up between $30,000 and $40,000 per episode for their efforts.
  A new precedent was set by season three, when the stars decided to band together for equal pay on the show. But this meant all were paid the same amount as the lowest earning cast member.
  And while $75,000 per episode would be a windfall in most circles, it actually proved to be a pay cut for breakout stars Jennifer and David, who had won legions of fans through their respective portrayals of Rachel Green and Ross Geller.