The video shows a colorful cartoon train with a face and a green hat on top. The train is moving on a track in a brightly colored environment. As the train moves, it passes by different letters of the alphabet, each with a face and eyes. The letters are in different colors and are standing on the ground. The train stops in front of each letter and interacts with it. The letters are in the following order: D, E, F, G, H, I, J, K, L, M, N, O, P, Q, R, S, T, U, V, W, X, Y, Z.