Parody is good, but some things are still to improve, for example, the subtitles are on the screen, so we can't see the characters well. Also, the dialogs are a bit too long for what they say, like if one says "My Fuhrer" or "Steiner" it must stay a name.
After Steiner and his martian friends send a secret weapon to Berlin to destroy Fegelein, an incident happens and it seems that the secret weapon isn't all for good at all ... EASTER EGGD : Find the secret Jodl voice, and find the ghost hitler.