I think for a lot of people, Raiders is their favourite (x) movie. Be that their favourite adventure movie, favourite '80s movie, favourite Spielberg movie, whatever. None of those ring true for me, but it is my favourite Indiana Jones movie. I was a mad fiend for Temple of Doom as a kid, and I've managed to make multiple teachers put The Last Crusade on in class, so I'm quite a fan of the franchise, but Raiders is the most enjoyable to me... I've never even seen Crystal Skull... So maybe it's dishonest to say I'm a fan of the franchise... I'm a fan of the trilogy!
Final rating:★★★½ - I really liked it. Would strongly recommend you give it your time.