Interest Stacks

Sugita reincarnates as an ASMR doll which vaguely resembles the venerable Moyai.

1:14:55 - Moyai appears in the backdrop to rally the power of friendship.
Thanks to @TouchME666

Ep10 11:40 - A panning shot depicts Moyai alongside numerous other historical/religious monuments.
(Presumably: The Temple of Artemis, <some Chinese temple towers>, United States Capitol, Taj Mahal, Pyramids of Giza, <some sort of cathedral>, Thanjuvur Temple)
Thanks to @beeped5

Ep9 11:24 - Three Moyai decorate the centre of a plaza.
Thanks to @beeped5

Ep7 10:30 - Not quite "the tip of the iceberg". A rare full body cross section of Moai.
Thanks to @beeped5

Ep3 8:35 - Moyai hangs out with the Statue of Liberty, Eiffel Tower, Pyramids of Giza & Sagrada Familia.

Ep8 10:15 - Moyai line the road of a snowy post-apocalyptic island. Easter Island is a key plot location.

Ep11 13:32 - A row of Moyai mysteriously appear late at night in a residential area.
Thanks to @InabaHimeko

Ep131 16:00 - Moyai reside on a giant oyster island.

Ep39 9:50 - Satoshi/Ash is transformed into Moyai for comedic effect.

Ep7 11:00 - The girls accidentally bump into Moyai, and various other landmarks, while backpacking.

Ep1 0:02 - Two Moyai are blown to dust on a desolate battlefield in the most epic start to anime possible.

Thanks to @Stardew

Ep42 6:50 - III special summons OOPArts monster Moai from his hand.

Ep10 3:09 - Moyai appears in a sequence depicting Stonehenge, the Sphinx, Mayan Pyramids & Nazca Lines.

Thanks to @beeped5

Ep6 3:13 - Figures resembling Moyai can be seen atop a stone entrance arch.

Thanks to @Kansugi

OP - Moyai appear on a grassy field near the start.

Ep4 5:00 - Moyai is used as a blocking move by the opposing team.

Ep29 9:35 - The girls face an epic encounter with Moyai-faced golems.

Ep6

Thanks to @wswsasd

OP (JP dub) - MC runs past some Mayan (?) monuments, Stonehenge, Pyramids and Moyai

Ep7 6:22

Thanks to @bambooXZX

12:55 - MC arrives at Easter Island. Moyai appears recurrently through the movie.

Ep17 16:20 - The boys take a photo of a Moyai in an playground.

Thanks to @ooReiko

🗿🗿🗿

Ep2 0:05 - Moyai appear on the logo of a Space Harrier parody.

https://youtu.be/M2Ymg_LRXPM

Thanks to @IridescentJaune

2:04 - Three moyai applaud to celebrate a birthday.

The Merlion, Statue of Liberty & Sphinx also make an appearance.

Thanks to @IridescentJaune