Plot hole: Klaatu is shot and his body is lying in a prison cell. Gort leaves the flying saucer and walks all the way to the heavily guarded police station in downtown Washington DC. Gort is 8 feet tall and is a robot plus he uses his noisy death ray to create a hole in the police station to retrieve Klaatu's body and nobody noticed him? On top of that, he walks all the way back to the saucer unseen with a dead body. (01:22:36)
Plot hole: When Hornblower arrives home from the Pacific, he meets his son, a baby in a cradle. He is given the Sutherland, sails to Spain, is captured and escapes, and returns to England a hero..all in under a year. However, upon arriving in Portsmouth to see the Admiral, he visits his son, now a child of 3 or 4.