Question: when does season 5 of project mc2 come out
Answer: in part Title Directed by Written by Original release date 17 `` If You Fail on Mars Can Anyone Hear You Scream '' Ken Friss Mitchel Katlin September 15 , 2017 ( 2017 - 09 - 15 ) 18 `` Nanobots , Souffles and Gray Goo , Oh My '' Ken Friss Nat Bernstein September 15 , 2017 ( 2017 - 09 - 15 ) 19 `` Bad Air Day '' Michael Younesi Elizabeth Hackett & Hilary Galanoy September 15 , 2017 ( 2017 - 09 - 15 ) 20 `` Totally Marble Nailed It '' Michael Younesi Kathleen Fischer September 15 , 2017 ( 2017 - 09 - 15 ) 21 5 `` Gray Goo on the Loose '' Ken Friss Nat Bernstein & Mitchel Katlin September 15 , 2017 ( 2017 - 09 - 15 )