"Nanu nanu!" 👋 Henry Winkler recalls the late Robin Williams joining the "Happy Days" cast late, but quickly making up for lost time with his incredible comedic genius. ✨ Williams' energy and improvisation skills turned a one-off alien character (originally dreamt up by Richie!) into an iconic sitcom star. What a talent! 🎭 #HappyDays #MorkAndMindy #RobinWilliams #HenryWinkler #Classictv Relive the laughter! "Happy Days" is available on DVD and streaming on Paramount and Pluto TV. Image Source: