Combining artistry, emotion and pulse-pounding action, the first two seasons of the series followed a caveman at the dawn of evolution as he forms an unlikely friendship with an almost extinct dinosaur.

Source: https://tvseriesfinale.com/tv-show/genndy-tartakovskys-primal-season-three-renewal-announced-for-adult-swim-series-watch/

Sure, a life without electricity might make you feel like a caveman—but when was the last time you heard about a caveman having to take out a second mortgage?

Source: https://www.newyorker.com/humor/daily-shouts/the-secret-to-wealth-is-giving-up-pointless-expenses-and-other-lessons-from-my-twenty-eight-dollar-book

The movie follows two Los Angeles teenagers — played by Pauly Shore and Ke Huy Quan's co-star Sean Astin — who find and thaw out a frozen caveman, "Link," who must then adapt to modern life.

Source: https://screenrant.com/ke-huy-quan-movies-ranked/

The reason burgers, fish and chips, fried chicken and other high-calorie takeaway favourites are so satisfying apparently relates back to caveman times.

Source: https://www.independent.co.uk/life-style/health-and-families/lent-experts-chocolate-studies-quorn-b2287035.html