Santa Claus Conquers the Martians

Martian parents, worried that their children are sad and listless, decide the solution is to kidnap Santa Claus from Earth and bring him to Mars. Two Earth children get caught up in the scheme. A legendary low-budget holiday curio, infamous for its wobbly sets and a young Pia Zadora as one of the Martian kids. The missing copyright notice placed it immediately in the public domain.