(CNN) "Sesame Street" has introduced a new Muppet with the aim of highlighting the stories and unique love of foster families.

The center of the new initiative is a Muppet named Karli, a yellow-haired friend of Elmo's who introduces viewers to the concept of "for-now parents."

In one video, Karli's foster mom explains to Elmo that Karli's mother is "having a hard time" and that they will "keep her safe until her mommy can take care of her again."

Elmo innocently asks when that will be, to which Karli's foster mom explains they're not sure. But "what we do know is that Karlie belongs here now."

"We want her here with us," she says.

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