During his own training with his younger brother, Gohan is shocked to discover that Goten can already transform into a Super Saiyan at a very young age.
In the 2014 series of Dragon Ball Kai (specifically titled The Final Chapters for the English dub), is titled "Gohan's the Teacher! Videl's Introduction to Flight" . This episode corresponds to episode 101 of the overall Kai series. Episode Summary Dragon Ball Kai 2014 (Dub) Episode 3
Gohan begins teaching Videl the fundamentals of manipulating "ki" (energy), which she learns much faster than he anticipated. During his own training with his younger brother,