Boss reset to 1 from 19

Anyone ever have this happen? I beat level 18 of blastapopulous this morning. I went to log in around lunch so I could beat 19 and then do the final 20 before he reset. And it did a new boss mode like I had never beat him before. It was level 1. Kind of frustrated because unless I grind and spend a lot of bloonstones, I'll miss those ancient packs.