We delve into the most profound cosmic mysteries that challenge our understanding of the universe. We explore enigmatic phenomena such as dark matter and dark energy, which make up the majority of the universe's mass-energy content but remain largely unexplained. The episode also discusses cosmic inflation, the rapid expansion of the universe just after the Big Bang, and its implications for our cosmic history. We consider the search for answers to these mysteries and the cutting-edge research and experiments aimed at unraveling the secrets of the universe.