Gimme a Break! (1981)

Season 4: Episode 3

Nell gets the bitrhday blues at turning 33. Addy is mocking her as the two are going on a cruise for singles 18-32 years old and she can lie about her age. When the two return home from dinner, the family surprises Nell with a cake and tell her that her birth certificate says she was a year younger than expected. Nell is overjoyed, but Addy is mad, since Nell is now doing what Addy did to her by mocking her about her age. In the end, the kids tell Addy they lied just to make Nell happy, and Nell is accepting of the news, although still wishes she was younger.