Simplify the following text for a Grade 10 native English-speaking person.
Original: Enterprise ( retitled Star Trek : Enterprise at the start of its third season ) is a science fiction television program created by Brannon Braga and Rick Berman and set in the fictional Star Trek universe created by Gene Roddenberry in the 1960s .
Simplified: Enterprise ( retitled Star Trek : Enterprise at the start of the third season ) is a science fiction television series .