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2018 • 16 Episodes
Season 1 of Penny on M.A.R.S. premiered on May 7, 2018
2019 • 10 Episodes
Season 2 of Penny on M.A.R.S. premiered on April 8, 2019
2020 • 13 Episodes
Season 3 of Penny on M.A.R.S. premiered on February 17, 2020