Join Dash and Dot as they embark on a thrilling journey deep beneath the city streets! Descend into the mysterious underground tunnel with our adventurous friends as they uncover hidden secrets and brave unknown dangers. Get ready for excitement and surprises on this daring expedition! Don't miss a moment of the action with Dash and Dot as they tackle the underground tunnel head on. Stay tuned for more thrilling adventures with our fearless duo, only on PBS Kids!