Believing his father was dead, Gohan briefly returns to the fight to stall Frieza before being sent to Earth with the others.
King Kai and Grand Elder Guru coordinate a plan to use the final wish of the Namekian Dragon, Porunga , to transport everyone on Namek to Earth, except for Frieza. Dragon Ball Z (Dub) Episode 101
Races against time to reach Porunga and makes the final wish just before Frieza can interfere. Note on Different Series Believing his father was dead, Gohan briefly returns