https://screenrant.com/frasier-reboot-biggest-questions-answer/

The upcoming Frasier reboot will tackle Frasier Crane's fourth act, but it also needs to address some lingering questions from his past.

The Frasier Reboot Confirms What Happened To Eddie After The Original Show (& Now I'm Sad) (https://screenrant.com/what-happened-to-eddie-dog-dead-frasier-reboot/)

The Frasier reboot episode 4 (https://screenrant.com/frasier-reboot-episode-4-recap/), "Trivial Pursuits," subtly reveals what happened to Martin's beloved dog, Eddie, after the end of the original series.