Conversation so far:
how many episodes are in the 100 season 5
There are 13 episodes in Season 5 of The 100.
when did the season 5 of The 100 first air
Season 5 of The 100 first aired on April 24, 2018.

Question: when was the last episode of season 5
Self-contained rewrite: when was the last episode of season 5 of The 100