A video of a ginger cat named Penny reacting in the most dramatic way after witnessing a closed door has left internet users ...

"Can't get over her reaction when she saw me petting another cat..," and has prompted an outpouring of emotional responses from viewers. "I've never seen a cat look this sad before," said one ...

"I swear to god. If one of you doesn't go get Fishtopher…" reads the tweet from @mollyaclarke, which features screengrabs of the cat's adoption profile. "He is very sad and depressed and will ...

However, what made the same go viral was that the little ‘viewer’ in question was an adorable cat. The furry one was sitting in front of the screen, making what sounded like sad noises.