Watch My Three Sons (1960) Episode 1 HD Full Free on SolarMovie. Watch My Three Sons (1960) tv series online free. Widower Steve Douglas raises three sons with the help of his father-in-law, and is later aided by th...Widower Steve Douglas raises three sons with the help of his father-in-law, and is later aided by the boys' great-uncle. An adopted son, a stepdaughter, wives, and another generation of sons join the loving family in later seasons.