Dragon Ball Z Kai (2009)

S02E13 Piccolo Reborn! Frieza's Second Transformation!

Piccolo jumps into the ongoing battle, launching a fierce assault on Frieza, tapping into the combined power of two Namekian fighters. The formidable foe is momentarily surprised, but with a swift transformation, Frieza gains the upper hand, ready to decisively end the confrontation once and for all!