Best show ever! Though, there were quite a few episodes in season 16 and 17 that were completely rehashed versions of old episodes and no knew studies or interviews, but it's understandable, considering the demand for the show and the amount of material it's covered through the years, not to mention the dog days of the pandemic. That being said, seasons 18 and 19 were back on track with mostly new material and hopefully the History Channel continues to provide more seasons of eye-opening content that so many more of the population at large so desperately need to see. Thank you