Charlotte Rae's final appearance as Mrs Garrett prior to being spun off in The Facts Of Life. Rae would return as Mrs Garrett for a guest appearance in The Wedding (1984) in season six.
Mr. Drummond says it's okay for a younger man to date an older woman, "as long as the younger man was him and the older woman was Suzanne Somers". Conrad Bain (Mr. Drummond) is 23 years older than Suzanne Somers.