Nicole Kidman, Mark Ruffalo, Mila Kunis to Appear on 'Sesame Street' (Video)

Courtesy of Sesame Street

The PBS show announced their celebrity guest stars for their 42nd season, premiering September 26.

PBS' long-running staple, Sesame Street is set to launch its 42nd season September 26. But, not without a little help from its vast array of celebrity friends. 

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The new season, which will focus on teaching kids about science, technology, engineering and math (STEM), will continue in the tradition of featuring celebrity guests stars.

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Nicole Kidman, Robin Williams, Amy Adams, Naomi Watts, Mark Ruffalo, Mila Kunis, Jesse Tyler Ferguson and Emma Stone are set to appear. The show will also feature spots from Conan O'Brien, New Orleans Saints quarterback Drew Brees, Andy Samberg and Seth Rogan among others. 

Sofia Vergara will make her appearance during an episode highlighting Hispanic Heritage Month. 

See Neil Patrick Harris' guest spot from last season below