Titanium Rex is stunned when Lex Lightning shows up on his doorstep claiming to be his illegitimate daughter. While Rex grapples with fatherhood the smitten American Ranger, Black Saturn, and Brad start a rock band to impress Lex.

Brad's nefarious origins are revealed and his checkered past catches up with him while the rest of the League looks for any kind of escape from Titanium Rex's game night. American Ranger discovers the joys of the modern internet.