The heroes travel to Planet Namek to use the original Dragon Balls. They face the galactic tyrant Frieza. This arc culminates in the iconic moment where Goku transforms into a Super Saiyan for the first time. The Garlic Jr. & Android Sagas (Episodes 108–139):

Time-traveling Trunks warns of androids. This leads to the arrival of Cell, culminating in the high-stakes Cell Games.

Officially, the original Japanese broadcast of Dragon Ball Z runs for . So, why did this mega-pack stop at 276?

Realizing you couldn't wait for the whole torrent to finish, so you manually went into the file tab and set Episodes 1 through 10 to "High Priority" just so you could watch the Saiyan Saga while the rest downloaded.