In 2014, scientists first heard a unique alien-like sound coming from the depths of the Mariana Trench in the Pacific Ocean. Some have said that the complex structure of these sounds, their frequencies, and a distinct metallic edge, reminded them of 'Star Wars' sound effects. Could these sounds be eminating from Extra-Terrestrial bases, hidden deep beneath our oceans, or do they just speak to another aspect of how little we actually know about deep-sea life on our planet? Join Neil and Stu as they delve into the mysteries of the strange sounds, coming from the Mariana Trench!