I am assuming that you are referring to the special-event firework shows over the park and not Fantasmic.. DHS only launches fireworks over the park a couple of times a year, generally during special-events such as Star Wars Weekends, NYE, and 4th of July.. The best place to watch these shows is by standing on Hollywood Blvd as they generally launch the fireworks from behind the Chinese Theater (TGMR), alternate secondary viewing areas could be in Echo Lake area (on side of lake facing towards fireworks) or the main entrance area in front of the Crossroads landmark.. Hope this helps!