Kelsey Grammer reveals why David Hyde Pierce bowed out of upcoming Frasier reboot on Paramount+

Kelsey Grammer Opens Up About David Hyde Pierce Not Returning For 'Frasier' Reboot

Kelsey Grammer Reveals Why David Hyde Pierce Is Not Returning To ‘Frasier’ Sequel Series

Spencer Grammer Reveals What It's Like Working With Dad Kelsey Grammer