Arrow 4K UHD

Arrow or Shout Factory 4K Blu-ray, seems to be the same transfer see Finch's review

caps for the new Arrow/Shout Factory 4K Blu-ray upgrade compared to previous BDs

Arrow has better subtitles

Arrow UHD has much better English subtitles and additional extras making it the far superior release to the Shout version of the same master.

Eureka 4K Blu-ray

Eureka 4K Blu-ray, good 4K Blu-ray upgrades of Ritrovata's flawed restorations