Homeland Burning (故国燃ゆ, Kokoku Moyu) is the fifth episode of the Second Season of Mobile Suit Gundam 00.

Having been rescued from near defeat by the Katharon resistance group, the Ptolemaios 2 now takes refuge at a Katharon base in the Arabian desert. Resistance leader Klaus Grad offers to join forces with Celestial Being against their common enemy, but the crew are reluctant to ally themselves with Katharon.

While Setsuna takes off in a small craft to return Marina to Azadistan, Saji takes this opportunity to part ways with Celestial Being. Saji is quickly captured by regular Federation forces under the command of Sergei Smirnov, and reveals the location of the Katharon base. When this information is passed on to the A-LAWS, they launch a ruthless mopping-up operation, and the warriors of both sides are horrified by the results.

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