Dragon Ball - Episode 144

: Piccolo corners Imperfect Cell, but Cell uses a Solar Flare to blind everyone and escape.

: Ma Junior (Piccolo Jr.) fires a massive energy wave, but Goku survives by flying into the air. Dragon Ball Episode 144

: Goku prepares to retaliate with a massive Kamehameha. Master Roshi warns him that killing Piccolo will also result in the death of Kami, the Guardian of Earth. : Piccolo corners Imperfect Cell, but Cell uses

Which version were you looking for more details on? Kai Episode 144 (15 March 2015) - Kanzenshuu : Piccolo corners Imperfect Cell

: This episode serves as one of the final epilogues of the series, showing the characters adjusting to peace.