Astrophysicist Neil deGrasse Tyson was finally granted his wish in May asking for someone to read the classic children’s book Goodnight Moon to him at bedtime. This weekend, that person turned out to be none other than former "Reading Rainbow" PBS host LeVar Burton.

The celebrity scientist appears in a clip as part of his StarTalk podcast series to flashback to his May 17 tweet asking for someone to read him Goodnight Moon. Tyson received hundreds of varying offers in response, but LeVar Burton followed through this weekend on his offer to help out. StarTalk is Tyson's podcast that also led to the "Star Talk" spinoff series which airs weekly on National Geographic.

"This actually happened," Tyson tweeted out Sunday.

“I occasionally long for someone to read Goodnight Moon to me as I fall asleep,” Tyson types into his Twitter app, adding “#ExpressionsOfImmaturity” at the end of the tweet.

“I got you…Let’s do this!” Burton responded via Twitter in May.

Burton then proceeds to read the book in its entirety as Tyson rests sleepily on his shoulder. Goodnight Moon is a picture book first published in 1947 and written by Margaret Wise Brown and illustrated by Clement Hurd. The “classic series” of children’s books also includes The Runaway Bunny and My World.

Burton and Tyson have teamed up before to create an Audible audiobook, Cosmos: A Personal Voyage, narrated by the duo as well as Family Guy creator Seth MacFarlane. And strangely, both men are also in ongoing legal battles over their respective podcast and mobile app projects.

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