about 205 after cell is defeated and gohan goes to high school. it seems like they new each other before because they are 7 yrs old when they are introduced.
by there dads goku and vegeta
131
They meet at the end of the freiza saga. They fall in love and have trunks in between the trunks and android saga.
Goten and Trunks do fusion in fusion saaga of dragon ball-z, after Goku returns to otherworld. They are trained by piccolo. I don't remember the episode number.
Gotenks first appears in the episode time struggle
Goten met his father during the tournament.
yes he does it was really suprising
If your talking about Dragonball Z Budokai 2. To get adult Trunks, you must beat Vegeta on Namek with Kid Trunks.
They meet in episode 163. The episode is released now.
they meet songo in episode 24
They meet in episode 1
there no Pokemon episode when misty meet dawn