In Japanese With English Selectable Subtitles or (HERE).

Season 4, Episode 21 – “From You, 2,000 Years Ago”
Ymir, the founder, unveils her tragic past and deepest secrets within the walls

Links: HOMEPAGE – TVDB

Attack on Titan S04E21 1080p WEBRip HEVC x265-MaxRls
 197 MB
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attack on titan S04E21 720p web h264-JFF
406 MB
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Attack on Titan S04E21 1080p WEB H264-SENPAI
1.4 GB
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