When everyone is brainwashed and the park is destroyed, Mordecai and Rigby have to bring everyone back their old selves so they can prevent a highway from being built over the park.
Rigby has to give a speech at his high school graduation. The speech will be broadcast live on a TV show called "Inspire America," and Rigby wants to make it memorable.
After Rigby finds out something unusual about Thomas in the night, he decides to explain his friends about the incident. Meanwhile things starts to turn dangerous when they find out the mysterious truth of Thomas.
