Doraemon Steel Troops -

DORAEMON pulls out the gadget, shrinks both of them to the size of a coin.

DORAEMON (whispering) Any louder and they’ll hear your heartbeat, Nobita. doraemon steel troops

The STEEL TROOPS – hundreds of identical, red-eyed humanoid robots – march in perfect sync. NOBITA hides behind a rusted pillar, sweating. DORAEMON pulls out the gadget, shrinks both of

NOBITA But Doraemon… Zanda is still inside. He’s scared. DORAEMON pulls out the gadget

Here is some original content for (inspired by the 2011 film Doraemon: Nobita and the Steel Troops and its 2021 remake Doraemon: Nobita’s Little Star Wars —often conflated or referenced as "Steel Troops"). Since there isn't a single officially titled "Doraemon: Steel Troops," I assume you mean content related to the robot army / mecha conflict story arc.