how cut/split TVShow episodes in one file m2ts

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hi there

i bought bluray disk from a tvshow and i want to encode it.
but every 4-5 episodes in one disk.
how can i split or cut every episode with MEGUI?

https://imgur.com/sSmxZz1
https://forum.videohelp.com/images/imgfiles/Zn5fcvrh.jpg
https://forum.videohelp.com/images/imgfiles/ftNq3R5h.jpg

actually my problem is. how can i find end time each episodes to split it