Signing Time! is a popular educational series teaching American Sign Language (ASL) to children (0-8) and families through fun, multi-sensory songs and videos, helping pre-verbal babies communicate, boosting vocabulary for all kids, and providing a voice for those with developmental delays, featuring host Rachel Coleman and her daughter Leah (who is deaf). It uses songs, signs, speaking, and dancing to teach everyday words, colors, and concepts, benefiting cognitive and social-emotional growth.