How many episodes of once upon a time is there?
No context provided
How many episodes of the American once upon a time is there?
155
No context provided
How many episodes of the Philippine once upon a time is there?
441
Once Upon a Time...
https://en.wikipedia.org/wiki/Once%20Upon%20a%20Time...
Once Upon a Time (TV series)
https://en.wikipedia.org/wiki/Once%20Upon%20a%20Time%20%28TV%20series%29
Once upon a time
https://en.wikipedia.org/wiki/Once%20upon%20a%20time
Once Upon a Time is an American fantasy adventure drama television series that aired for seven seasons on ABC from October 23, 2011 to May 18, 2018. 
Once Upon a Time (TV series)
Wansapanataym (Filipinization of the English phrase "once upon a time") was a Philippine fantasy anthology produced and broadcast by ABS-CBN. It airs every Sunday nights. The series was aired from 1997 to 2005, then re-aired from 2006 to 2007 and from 2010 to 2019, the series was aired on ABS-CBN's 
Wansapanataym
There are 155 episodes of Once Upon a Time, the American fantasy adventure drama television series that aired on ABC from 2011 to 2018. Another television series, Wansapanataym, the Filipinization of the English phrase "once upon a time," is a Philippine fantasy anthology produced and broadcast by ABS-CBN. This series has 441 episodes.