Help finding an episode.

I'm looking for several episodes where they discuss Russia. I cannot remember if they are the same episode or not.

The first talks about the mountain in Russia where the hikers disappeared

The next episodes discusses the Russian cauldrons in the valley of death.

Thanks in advance.

Submitted October 13, 2016 at 12:24AM by RegularJackoff http://ift.tt/2dm1zGE