The Secret Life of the American Teenager - Season 5 Episode 19 - Video Preview - Interference

Here's the video preview of The Secret Life of the American Teenager Season 5 Episode 19: "Interference" on ABC Family.

The Secret Life of the American Teenager 5x19 'Interference' - Ethan doubts the practicality of algebra until he meets Danica McKellar. Elsewhere, Ben advises Amy to end her relationship with Ricky; an unexpected guest crashes George and Kathleen's romantic evening; and Mrs. Stone talks to Grace about Jack. Original Air Date: Apr 29, 2013 on ABC Family.