Bernard and Craig take Jessica stargazing during a "Big Kid weekend" while their parents are away. Bernard teaches Jessica a song about their weekend activities and tries to play it on guitar. Jessica becomes tired but insists she is not. Later, Craig shows Jessica the stars and constellations through a telescope. Jessica is amazed by the view of the moon. As a meteor shower starts, Bernard sings an updated version of their song for Jessica, expressing how awesome she is as a little sister. Jessica tells Bernard he is pretty awesome too before going to sleep under the stars.