Dimension 5 (also known as Dimension Five or Dimension Four) is a 1966 science fiction/espionage or spy-fi film written by Arthur C. Pierce and directed by Franklin Adreon. Jeffrey Hunter and France Nuyen star as time-traveling secret agents. It was part of a series of nine low-budget films produced by United Pictures Corporation.
The films were intended for TV distribution, but received a theatrical release. The time-travel premise had previously been used in the studio's film Cyborg 2087.