>>282923390 (OP)
you know, here is an alternative that I literally never see being offered around:
how about instead of a rewatch, />we/ play one PSP/DS/3DS/PS2 game of a title? They are often sequels/prequels/supplemental stories and surprisingly some of them are canon. Nowadays several of them are translated.
TORADORA have a PSP game with different endings for each heroine
Sora no Woto have a sequel of sorts with new characters
Full Metal Alchemist (ps2) have fully animated segments by the original crew, practically an OVA
All of these are voiced by the original cast, etc, etc
mention whatever you think is interesting/newly translated!