In Mission 3, An Oceanic Problem, “An S.O.S. signal was received from the Gas Platform in the Great Ocean! A new enemy surfaced with an evil plan. Will the Warbears be able to stop them?”
Use your mouse over the different Warbears and choose between the actions available. There is no restart button in this new mission, and you will to reach a checkpoint if you want to save your progress.
At the beginning of the year, the author was planning to release a new mission every other month: we had to wait over 10 months (!) to enjoy this new episode, but it was really worth the wait!
Update: Warbears – Mission 3 walkthrough in comment #38 (thanks Mike and nitrox!)