Watch 21 Again Season HD Full Free on solarmovie.do. Watch 21 Again tv series online free. Five daughters send their mothers undercover as 21-year-olds. From dating to working to activism, th...Five daughters send their mothers undercover as 21-year-olds. From dating to working to activism, the mums will be immersed in their world. Can the mums pull off being 21 Again?