Yes so you look at number
"Rules of Engagement Season 5x24
That means you watch season 5 episode 24 Which is latest episode
Just look at number that will tell you what episode you watched
so -Parks and Recreation Season 3x15
You watched season 3 episode 15 but Episode 16 hasn't been watched .
With any show you look at the episode number which tell you the last episode you watched.
