Watch Lifeline Episode 1 HD Full Free on SolarMovie. Watch Lifeline tv series online free. What if you could use time travel to save your life? Welcome to "LIFELINE," the new YouTube Red Orig...What if you could use time travel to save your life? Welcome to "LIFELINE," the new YouTube Red Original Series about the Lifeline insurance agency, whose specially trained agents jump forward in time to prevent the deaths of their clients.