HBO will be airing many of its TV shows through March as they gear up for the big return of even more popular series in April.

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HBO is set to conclude the four original series it is currently airing in March. As always, Sundays have been a busy night for the subscription network, airing some of its most acclaimed series in one lineup.

The first to end in March is Togetherness. The understated character drama about married life is set to conclude its eight-episode first season on Sunday, March 8 at 9:30 p.m.

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Then, The Jinx: The Life and Deaths of Robert Durst will conclude with its sixth chapter on Sunday, March 15 at 8 p.m. The documentary series, which is said to be a worthy replacement for the popular podcast Serial, centers on Robert Durst, a wealthy man who has been the prime suspect of murder in three different cases. However, Durst is a free man.

Finally, the conclusions of the current seasons of Girls and Looking will air on Sunday, March 22. Girls is currently in its fourth season and focuses on a group of narcissistic, self-obsessed young women living in New York City while Looking, currently airing its second season, centers on a group of gay friends living in San Francisco.

As these shows end, HBO is prepared to air even more high quality, popular TV shows. Marquee shows like Game of Thrones, Silicon Valley and Veep will all begin their new seasons on April 12.