"It's Alive" is a famous line from the 1931 film "Frankenstein," directed by James Whale. The phrase is exclaimed by the character Dr. Henry Frankenstein, who brings a creature to life using electricity. This moment captures the excitement and horror of scientific experimentation and the consequences of playing God. The film is based on the novel "Frankenstein" by Mary Shelley, which explores themes of creation, responsibility, and the nature of humanity. The creature, often referred to as Frankenstein's monster, becomes a symbol of the unintended consequences of unchecked ambition and the quest for knowledge.