It didn't work, the values are wrong for anniversary dates lower than current date (06/03 until today is not 205 days - regardless of 03/06 = june 3rd or March 6th). There's something weird going on on your PC, not sure if it's a bug in MC or some combination of regional settings.
Nevermind - it is 205 days from today until 03/06/2021. So it's really related to MC not recognizing your date values in the [Date (release)] field :-/
Please run this in Zelda and send the output - pick a Movie where the result is negative in the first line of output (please restore your normal date settings)
if(isequal(formatdate([Date (release),0], dd//MM), formatdate(now(), dd//MM)),
Cake!,
if(isequal(now(), ConvertDate(formatdate([Date (release),0], dd//MM)//formatdate(now(), yyyy), dd//MM//yyyy), 3),
Math(int(ConvertDate(formatdate([Date (release),0], dd//MM)//formatdate(now(), yyyy), dd//MM//yyyy) - now()) + 1) days,
Math(int(ConvertDate(formatdate([Date (release),0], dd//MM)//formatdate(Math(now()+365.25), yyyy), dd//MM//yyyy) - now() + 1)) days))
[Date (release)]
[Date (release),0]
formatdate([Date (release),0], dd//MM)//formatdate(now(), yyyy)
formatdate(Math(now()+365.25), yyyy)
ConvertDate(formatdate([Date (release),0], dd//MM)//formatdate(now(), yyyy), dd//MM//yyyy)
ConvertDate(formatdate([Date (release),0], dd//MM)//formatdate(Math(now()+365.25), yyyy), dd//MM//yyyy)
case = isequal(now(), ConvertDate(formatdate([Date (release),0], dd//MM)//formatdate(now(), yyyy), dd//MM//yyyy), 3)
case 0 : Math(int(ConvertDate(formatdate([Date (release),0], dd//MM)//formatdate(now(), yyyy), dd//MM//yyyy) - now()) + 1) days
case 1 : Math(int(ConvertDate(formatdate([Date (release),0], dd//MM)//formatdate(Math(now()+365.25), yyyy), dd//MM//yyyy) - now() + 1)) days