You will Watch Adventures of Sonic the Hedgehog Episode 15 online for free episodes with HQ / high quality. Stream cartoons Adventures of Sonic the Hedgehog Episode 15 Too Tall Tails Tails and Sonic stop at a place called Wienerville to eat. Meanwhile, Dr. Robotnik acquires a growth machine from a scientist and accidentally fires it at Tails and making him grow huge. At the same time, Robotnik claims to the villagers that Sonic and Tails are the villains while he is the hero planning to eliminate Tails. Sonic must then find the antidote before Tails gets into any more trouble.