The Time Traveling Team

Titus James has always been fascinated by time traveling, his dream fueled by stories of his father's own time travels. Titus knows his dad made up those stories to entertain him, and yet...
One day a mysterious portal appears, beckoning Titus and three friends to go through it. When they do, they find themselves in a new place and a new time. Where are they? When are they? Could it really be true? Could they actually be time traveling?