Conversation so far:
when is the next jigsaw movie coming out
Spiral was scheduled to be released on May 15, 2020 in the United States by Lionsgate, but was delayed due to the 2019–20 coronavirus pandemic.
how many movies are in the jigsaw series
The Saw movie series is one of the most successful modern horror movies. Until now, there are eight sequels of Saw films.
which movie in the saw franchise has the best reviews
Surprising no one, the best rated film in the Saw franchise is Saw itself with a 7.6 IMDB rating.

Question: how about the best reviewed on rotten tomatoes
Self-contained rewrite: how about which movie in the saw franchise has the best reviews on rotten tomatoes