Watch the final trailer for Sonic the Hedgehog 2 – in Aussie cinemas from March 31!

But, no sooner are they gone, when Dr. Robotnik comes back, this time with a new partner, Knuckles, in search for an emerald that has the power to both build and destroy civilisations.   //   Sonic teams up with his own sidekick, Tails, and together they embark on a journey to find the emerald before it falls into the wrong hands. Sonic the Hedgehog 2 stars James Marsden, Ben Schwartz, Tika Sumpter, Natasha Rothwell, Adam Pally, Shemar Moore, Colleen O'Shaughnessey ...