In "Baby Shark's Big Show: Rainy Day Roundup / Deep Goo Sea," two playful stories highlight imagination, teamwork, and science-based problem solving. In the first adventure, a rainy day turns into an indoor cowboy quest as Baby Shark and William use creative thinking to transform household spaces into a Western rescue mission. In the second story, a young scientist competition sparks rivalry between William and Vola, leading to a giant goo monster made from experimental inventions. Key concepts include friendship, cooperation, competition, observation, cause and effect, scientific experimentation, absorption, invisibility, and using salt to shrink a substance. With strong social-emotional learning themes and introductory STEM vocabulary, this episode supports classroom connections in character education, critical thinking, and basic science practices. Part of the "Baby Shark's Big Show" series.