Link to the twitter status about the spoiler: https://twitter.com/mlp_techno_tron/status/1281122677856534528/photo/1

Being confirmed by somebody as real: https://twitter.com/mlp_techno_tron/status/1281205828305944577

Name of episode confirmation: https://twitter.com/mlp_techno_tron/status/1281206303759761408

Episode name Wiki page: https://ponylife.fandom.com/wiki/Mt._Volcanope