During the 1970s, he made guest-appearances on TV series such as Ironside, Insight, Barbary Coast, The Love Boat, Medical Center, four episodes of Love, American Style, Fantasy Island, and two episodes each of The Streets of San Francisco, and Rod Serling's Night Gallery.

During the show's run, Bixby invited two of his long-time friends, Ray Walston and Brandon Cruz, to guest star with him in different episodes of the series.

During the same time period, Bixby directed several episodes of another short-lived television series, Wizards and Warriors, which aired in 1983.

During the initial episodes, Gumby's voice was provided by Ruth Eggleston, wife of the show's art director Al Eggleston.

During this time, he also created the television series The Westerner, starring Brian Keith and in some episodes John Dehner.

During production of early episodes of the original series, several details of the makeup of the Star Trek universe had yet to be worked out, including the operating authority for the USS Enterprise.

During 2006, Tanzania suffered a crippling series of " load-shedding " or power-rationing episodes caused by a shortfall of generated power, largely because of insufficient hydro-electric generation.

During the third season three episodes explore Willow's backstory and foreshadow her development.

During 1973, he made his first television appearance on one of the last episodes of Jack Paar Tonite.

During Buffy season four, Buffy also appears in the first season of spin-off series Angel ( 1999 – 2000 ), guest starring in the episodes " I Will Remember You " and " Sanctuary ".

During the second season, Ben Jones left the series for a few episodes due to a dispute over whether the character should be clean shaven or have a full beard.

During this time, Burr's distinctive voice could also be heard on network radio, appearing alongside Jack Webb in the short-lived Pat Novak for Hire on ABC radio, as well as in early episodes of NBC's Dragnet.

During the same time, she tried television, appearing in three episodes of the popular NBC western Wagon Train as three different characters in 1959 and 1961.

) During the final episodes of Angel, Spike is the first to vote for Angel's plan to wound the Senior Partners by massacring the Circle of the Black Thorn.

During the 1940s, Basil Rathbone and Nigel Bruce, famous for playing Sherlock Holmes and Doctor Watson in films, repeated their characterizations on radio on The New Adventures of Sherlock Holmes, which featured both original stories and episodes directly adapted from Arthur Conan Doyle's stories.

During that time, Farrell wrote five episodes and directed four.

During the show's first 58 episodes, Cartman and the other main child characters are in the third grade, after which they move on to the fourth grade.

During the last four episodes of this season, Joe Don Baker guest-starred as Capt.

During 1953 – 54, she starred in 38 episodes of Time for Love on CBS.

During this period, some episodes of the program lasted up to eight hours.

During 1986 and 1987, Sims starred as Annie Begley alongside Angela Thorne in the Yorkshire Television sitcom Farrington of the F. O .. Also in 1986, Sims appeared in the long-running BBC science fiction series Doctor Who in the four episodes of The Trial of a Time Lord: The Mysterious Planet as Katryca.

During two periods of climate change about 120 and 75 thousand years ago, sclerophyll vegetation had also increased at the site in response to a shift to cooler, drier conditions ; neither of these episodes had a significant impact on megafaunal abundance.

During the lengthy run of Friends, Schwimmer directed ten of the show's episodes.

During the 1960s, he continued his television career, with guest appearances on such series as The Barbara Stanwyck Show, Route 66 ( a moving portrayal of a doomed pilot in the two-part episode " Fly Away Home "); Alfred Hitchcock Presents ; Perry Mason ( one of four actors in four consecutive episodes substituting for series star Raymond Burr, who was recovering from surgery ); Wagon Train ( a 90-minute colour episode as an English big game hunter who, in a display of amazing marksmanship, is able to kill an Indian chief from a great distance ); The Great Adventure ( in an installment of this anthology series about remarkable events in American history, he portrayed Confederate president Jefferson Davis ); Daniel Boone, ( in episodes " The Sound of Wings " and " First in War, First in Peace "); Lost in Space ( another two-part episode — as an all-powerful alien zookeeper, " The Keeper ", he worked one last time with his Third Man costar Jonathan Harris ); The Time Tunnel ( as Captain Smith of The Titanic, in the series ' 9 September 1966 premiere episode ); Batman ( as the villainous Sandman, in league with Julie Newmar's Catwoman ); three episodes of The Invaders ( as a malign variation of the Klaatu persona, culminating in a parallel plot also involving an assembly of world leaders ); an episode of I Spy (" Lana "); and two episodes of The F. B. I.

During other times, particularly during commercials or taped news segments, including AccuWeather forecasts, it is not heard.

During these lighting-fast matches, two Wing Tsun experts square off and have a go – which is decided in a matter of seconds.

During the development of the film, producer-director Roland Emmerich and his team consulted with experts at the Smithsonian Institution on set, props, and costumes ; advisor Rex Ellis even recommended the Gullah village as an appropriate place for Martin's family to hide.

During this time, 90 hours were spent on the bill of rights alone, all filmed for television, while civil rights experts and advocacy groups put forward their perceptions on the Charter's flaws and omissions and how to remedy them.

During the first half of the 20th century The Relapse was relatively neglected, along with other Restoration drama, and experts are uncertain about exactly when Vanbrugh's original again resurged to prominence on the stage and thereby marginalized Sheridan's version.

During the period leading up to the 1999 wedding of The Prince Edward, the youngest son of Elizabeth II, experts speculated the dukedom of Cambridge or Sussex as the most likely to be granted to him, and The Sunday Telegraph later reported that Prince Edward was at one point set to be titled Duke of Cambridge.

During his time at the MIT Media Lab, Starner, already responsible for helping creating one of the earliest high-accuracy on-line cursive handwriting recognition systems in 1993 as an Associate Scientist with BBN's Speech Systems Group, became one of the world's leading experts on the subject.

During the trial, various experts did not come to full agreement on what paintings were authentic ( and the argument was to continue in some circles for years afterwards ).

During the second half of the 20th century, assertiveness was increasingly singled out as a behavioral skill taught by many personal development experts, behavior therapists, and cognitive behavioral therapists.

During March 2011, experts proposed new calculations which seem to confirm that heat is the cause of the spacecraft slowing down.

Abolfazl Fateh in his PhD thesis, defended in 2011 at University of Oxford " entitled " the Power of News Production " stated about ISNA ( Iranian Student News Agecny )," During this period, ISNA turned into a major source of news, information and content in the Iranian media, attracting the attention of journalists, media experts and academics.

During 1990, in response to increasing awareness about the globalisation of surveillance, more than a hundred privacy experts and human rights organizations from forty countries took steps to form an international organization for the protection of privacy.

During the segment, Dan Rather asserted that the documents had been authenticated by document experts, but ultimately, CBS could neither confirm nor definitively refute their authenticity.

During that time the city had a local administrative government and was considered as a cultural hub for writers, philosophers, and law experts.

During the Qing Dynasty, in order to modernise the Chinese legal system, the Chinese government hired Japanese legal experts to copy legal systems from Japan, which stemmed from the German civil law system.

During the 1980s when the Non-Smoking Bylaw was on the agenda at the Nepean City Hall ( non-smoking areas in restaurants ) Garfield Mahood, executive director of Non-Smokers ' Rights Association, amongst other health experts, attempted to persuade Hunter to support the bylaw.

During the main segments, experts on both sides of the issue present their evidence and opinions.

During the hearing, Newman refused to have the machine tested by independent experts, and senator John Glenn pointed out that his supposedly-independent expert actually had a prior business relationship with him.

During this trip Louise traveled throughout Poland with local experts, documenting the life, work and customs of the rural people, a population that would undergo drastic changes during and after the Second World War.

During the week, nearly a thousand students from every part of the world attend daily classes taught by experts in Irish music and dance.

During the transition between SERT and JTF2, RCMP operators from SERT were used as subject matter experts and as members of the training staff.

During her time at the UN, she was one of the seven internationally eminent persons designated in 1999 by the Organization of African Unity to investigate the Rwandan genocide, one of the five Commission Chairs for the Inter-Congolese Dialogue and one of two international experts selected by UNIFEM to investigate and report on the effect of conflict on women and women ’ s roles in peace building.