S4.E17 ∙ Protect the Secret Base!

In times of old, God gave mankind the ten commandments, and a message that has been lost to the centuries. In the present, Koichiro Kamishiro is a modern day Indiana Jones who scours (and often destroys) ruins for hints of the past, until one day he runs across a box filled with two crystal triangles. Having inadvertently run across the key to God's lost message, Kamishiro suddenly has a lot to deal with including assassination attempts by the KGB and the CIA, aliens hell-bent on destroying the Earth and the love of several women.

The Courageous Warriors of the Garden of Hope have summoned Nagisa, Honoka, and Hikari to protect their kingdom from a witch who plans to steal the Diamond Line, which is a set of jewelry the queen of the Garden of Hope wears to a ceremony every year to replenish the water of the kingdom. The witch plans to resurrect the Dark Lord and if she does so, not only will the Garden of Hope be destroyed, but other kingdoms in the galaxies, including the Garden of Rainbows and the Garden of Light.

From a polluted and destroyed planet called S-1 arrives an invasion on earth, Marin one of the people of S-1 helps the earthlings fighting the invaders with his super ship Baldios. After polluting their own planet beyond repair, a race of evil aliens target earth as their next home. Now it is up to a lone outcast and his robotic spacecraft, Baldios, to defend earth. But, first he must convince the distrusting human population of the impending danger.

The search for Sana's comrades continues. Sara who opens up her heart to Sinbad reveals her horrible story of how her father's apprentice Galip destroyed the peaceful kingdom and her family by using the wizardly power. Suddenly the Magic Lamp shows the passage "to the Wonder Gate to the land of ancestors that appears in the Night at High Noon," but Galip's solders block their path.

A spring carnival held in the country of dance and song, Harmonia, is beginning. Haruka Haruno and her friends also join the festival to learn dance and song from their senior Precure warriors. However, the fairies go missing, and the carnival is thrown into confusion. Even worse, the announcers Odoren and Utaen seem extremely suspicious, and the guardian dragon of Harmonia has started a rampage, angry at the chaos at the carnival. In order to protect the peace of Harmonia, the 40 Precure warriors work together to create a miracle through dance and song filled with hope.