Watch হারিয়ে গেছে episodes from whichever season! 

This site has all the episodes for each season of হারিয়ে গেছে so far. The best thing is that they have it in MULTIPLE formats, so one should work for you. Watch now!
মূলশব্দ: হারিয়ে গেছে, season 1, season 2, season 3, season 4, full episodes