Watch educational videos Alex: Watch the complete series, 104 episodes: Subscribe to the channel: .\rbr\rbrUnder the Sea! Extraordinary underwater footage, gives us a unique insight into the mysterious world of beautiful marine mammals such as dolphins, killer .\rbr\rbrSUBSCRIBE HAPPY LEARNING! Educational Videos and songs for Kids. Today were going to learn about reptiles! Reptiles are .\rbr\rbrWelcome to the world of elephants. These gigantic mammals enjoy a wonderful life grazing together. This segment showcases fascinating facts about elephants.