Watch Alexa & Katie Season HD Full Free on solarmovie.do. Watch Alexa & Katie tv series online free. Lifelong best friends Alexa Mendoza and Katie Cooper are anticipating the start of their freshman ye...Lifelong best friends Alexa Mendoza and Katie Cooper are anticipating the start of their freshman year of high school. They confront a crisis that leaves them feeling like outsiders at a time when fitting in is what seems to matter most.