Mr. Belvedere (1985)

S5E11 New Years

Wesley and Heather persuade their parents to allow them to host a New Year’s party, and to distract Mr. Belvedere, they arrange a date for him with the Hufnagel's housekeeper, Ilsa. However, the situation escalates unexpectedly as Belvedere finds himself needing to resist her flirtations. Meanwhile, Kevin unexpectedly shows up at their house to recuperate from an illness, becoming an uninvited guest.