Complex sentence: Superboy and Jo Nah are able to remove Luthor from the planet before he explodes and save Colu-in gratitude the Coluans teleport the Legion's friends and RJ Brande to Colu and Superboy makes up with his adoptive father.
Split into simpler sentences: Superboy and Jo Nah are able to remove Luthor from the planet before he explodes and save Colu. The Coluans teleport the Legion's friends and RJ Brande to Colu and Superboy makes up with his adoptive father.