Kelsey Grammer, 'Frasier'

Kelsey GrammerBetty FordHealth
Grammer's 1996 stint at the Betty Ford Clinic resulted in his missing just one episode, "Head Game," during "Frasier's" fourth year on NBC. Frasier took a leave of absence, leaving Niles to serve as a temporary host for the radio show and help improve a basketball player's game. NBC
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