GBH Openvault

Martha Speaks; Martha: Secret Agent Dog

Secret Agent Dog, Part 1; Secret Agent Dog, Part 2 Martha Speaks MSPE 215 (dub) PBS

License Clip

This program cannot be made available on Open Vault.

More material may be available from this program at the GBH Archives. If you would like research access to the collection at GBH, please email

Martha Speaks
Martha: Secret Agent Dog
Program Number


Series Description

Premiered September 1, 2008

"Martha Speaks" is an animated series that is designed to enrich the vocabulary of 4- to 7-year-olds. The series is based on the classic books by Susan Meddaugh that have charmed and captivated millions of children. Each episode uses Martha's unique linguistic abilities and the hilarious consequences to engage kids and help build their vocabulary skills.

In each Martha Speaks episode, the characters use special words throughout the show. Explicit words, marked with (E), are defined by one of the characters on the show. Implicit words, marked with (I), are used on the show but not defined.

Produced with Studio B Productions, Inc. Series release date: 9/1/2008

Program Description

Parts 1 and 2 Broadcast on the Same Day.

Martha: Secret Agent Dog, part 1

Martha is on a super secret mission to find out who's trying to steal the formula for Granny's soup. Can Martha stop the crooks before they put Granny Flo — and Martha's speaking voice — out of commission? (1st of two parts) Vocabulary

(E) secret agent, service, formula, surveillance, defeat

(I) safe, steal, spy, chief, warn

Martha: Secret Agent Dog, part 2

The life of a secret agent dog turns out to be trickier than Martha expected. Undaunted, Martha uses disguises and gadgets to hound the evil soup thieves. (2nd of two parts) Vocabulary

(E) trespass, self-destruct, invisible, scheme, mastermind

(I) disguise, combination, crook, hideout



Asset Type

Broadcast program

Media Type


Barss, Karen (Series Producer)
Sullivan, Brigid (Series Producer)
Chicago: “Martha Speaks; Martha: Secret Agent Dog,” GBH Archives, accessed April 13, 2024,
MLA: “Martha Speaks; Martha: Secret Agent Dog.” GBH Archives. Web. April 13, 2024. <>.
APA: Martha Speaks; Martha: Secret Agent Dog. Boston, MA: GBH Archives. Retrieved from
If you have more information about this item, we want to know! Please contact us, including the URL.