Through instruction and observation, she shows the parents alternative ways to discipline their children and regain order in their households.
Frost is a proponent of the "naughty chair" theory of discipline and is strictly opposed to physical punishment.
On March 27, 2019, it was announced that Supernanny would return for a 20-episode season that premiered on January 1, 2020, on Lifetime with Frost as host again.
The show begins with a short introductory clip of highlights from the episode; after the title segment, Frost is featured riding in a London TXII with the vanity plate "SPRNANNY", where she shows a DVD player with the family's submission video.
Frost spends the first day in observation mode, taking mental notes to assess the situation and to devise a plan of action.
Frequent issues on the show involve discipline (as Frost does not endorse spanking as means, she introduces the family to the "naughty chair/step" timeout) and sleep separation.