Some of his other television credits included Faerie Tale Theatre, SCTV Network, Pryor's Place, Saturday Night Live and L.A. His comedy guest appearances included The Larry Sanders Show, Friends, Life with Bonnie, Wilfred and Louie. Williams had guest appearances in many television series. He returned as Mork in the sixth season Happy Days episode titled 'Mork Returns.' He also voiced the character in the animated series the Mork & Mindy/Laverne & Shirley/Fonz Hour in 1982-1983. Williams also appeared as Mork in the premiere episode of the ABC sitcom Out of the Blue. They still had a nice run for four seasons and 95 episodes. Williams' idol Jonathan Winters was brought in the final season as Mork and Mindy's child, Mearth. It was also moved to a different night and timeslot. Some changes to the stories and cast were made in the second season. He won the Golden Globe Award for Best Actor – Television Series Musical or Comedy in 1979. Robin Williams received an Emmy nomination for Outstanding Lead Actor in a Comedy Series. The series was nominated for an Emmy for Outstanding Comedy Series.

The series became an instant hit in the first season when it finished tied in third place with Happy Days in the Nielsen ratings. Williams was known for improvising much of his dialogue and physical comedy. His catchphrases were 'Shazbot' (an Orkan profanity) and 'Na-Nu Na-Nu,' which meant goodbye in the Orkan language. Spock's Vulcan salute from Star Trek combined with a handshake. The crazy character would sit in a chair upside down. He would often wear rainbow suspenders later in the series. Mork was known for putting on his suit backwards. He met the pretty Mindy McConnell (Pam Dawber) after he landed in a giant egg-shaped spacecraft near Boulder, Colorado. Williams played the alien Mork from the planet Ork. Mork & Mindy premiered on ABC on September 14, 1978. After the success of the appearance, Williams was given his own spin-off series. He first appeared as Mork in the fifth season episode of Happy Days titled 'My Favorite Orkan,' which aired on ABC on February 28, 1978. His other early television guest appearances included Laugh-In, Eight is Enough and America 2-Night. Williams' television career began in 1977 with two appearances in the NBC comedy variety series The Richard Pryor Show.

According to the Marin County's coroner's office, the probable cause of death was asphyxiation.

He was found unresponsive at his home in Marin County, California, on August 11 and was pronounced dead at the scene. Oscar-winning actor and stand-up comedian Robin Williams, who rose to fame as the alien Mork in Mork & Mindy, has died.

Soap opera network robin williams