ffmpeg stuff isn't so hard.
You would probably need something like ffprobe to get the length of the episode

 flen=$( ffprobe -i "$filename" -show_entries format=duration -v quiet -of csv="p=0" ) 

Then just work out the start and stop times from that.

 ffmpeg -ss [start] -i in.mp4 -t [duration] 

I think a few episodes of that show had cold opens would need to work out what those are and give them special treatment.