Question: Which PBS show came first The Mystery of Matter or Baseball?

Context articles: Sneak Previews
Todd English
The Mystery of Matter (film)
Baseball (TV series)
Mystery!
Hometime (U.S. TV series)
Leeza Gibbons
New York Week in Review
Soccer Made in Germany
Mouseterpiece Theater

Sneak Previews was an American film review show, running for over two decades on Public Broadcasting Service (PBS).
 It was created by WTTW, a PBS affiliate in Chicago, Illinois.
 It premiered on September 4, 1975 as a monthly local-only show called "Opening Soon at a Theater Near You", and was renamed in 1977 when it became a biweekly show airing nationally on PBS.
 By 1979, it was a weekly series airing on over 180 stations, and was the highest rated weekly entertainment series in the history of public broadcasting.
 The show came to an end in 1996 and is no longer aired.
William Todd English (born August 29, 1960) is an American celebrity chef, restaurateur, author, and television personality, based in Boston, Massachusetts.
 He is best known for his TV cooking show, "Food Trip with Todd English", on PBS.
 In 2005 he was a judge on the PBS show "Cooking Under Fire".
The Mystery of Matter: Search for the Elements is a 2014 American documentary film, which premiered nationwide on August 19, 2015.
 The PBS film, in three-episodes of one hour each, was directed by Stephen Lyons and Muffie Meyer.
Baseball is a 1994 American television documentary miniseries created by Ken Burns about the game of baseball.
 First broadcast on PBS, this was Burns' ninth documentary and won the 1995 Primetime Emmy Award for Outstanding Informational Series.
Mystery!
 (also written MYSTERY!)
 is a television anthology series produced by WGBH Boston for PBS in the United States.
 The series was created as a police and crime drama spin-off to the already established PBS show "Masterpiece Theatre".
 From 1980-2006, "Mystery!"
 aired mostly British crime series purchased from or co-produced with the BBC or ITV and adapted from British mystery fiction.
 In 2002, due to pressure to include more American material, a series based on the novels of US mystery writer Tony Hillerman was produced, but the vast majority of "Mystery!"
 programming has always been and continues to be British literary adaptations co-produced with UK-based production companies.
Hometime is a PBS home improvement television show produced by Hometime Video Publishing of Chaska, Minnesota, in association with WHYY-TV/Wilmington-Philadelphia, and broadcast on public television and in syndication.
 It first aired on PBS on November 1, 1986.
 In 1992, "Hometime" began airing on TLC (The Learning Channel).
 When "Hometime" aired on TLC, Dean Johnson would say ""Hometime" will be right back", this was used when the show goes into commercial breaks.
 When the show comes out of commercial breaks, Dean Johnson would say "And now, back to "Hometime"".
 The show came to an end on January 30, 2016, and is no longer airing, although episodes of "Hometime" continue to air in syndication.
Leeza Kim Gibbons (born March 26, 1957) is an American talk show host.
 She is best known as a correspondent and co-host for "Entertainment Tonight" (1984–2000) as well as for having her own syndicated daytime talk show, "Leeza" (1993–2000).
 In 2013, her book "Take 2" became a "New York Times" bestseller and she won the Daytime Emmy for Outstanding Host in a Lifestyle or Travel program for the PBS show, "My Generation".
 On February 16, 2015, Leeza was named the winner of "Celebrity Apprentice", having raised $714,000 for her charity Leeza's Care Connection.
New York Week in Review is a weekly broadcast public television program covering New York State government and politics.
 Like national PBS show "Washington Week in Review", it features a round table of reporters as weekly guests like Elizabeth Benjamin and James Odato of the "Albany Times-Union".
 Unlike its sister New York State weekly politics show, Inside Albany, it used the standard of panel of local political pundits.
Soccer Made in Germany was a PBS show created and executive produced by Joerg Klebe that ran from 1976 until 1988.
 The program, distributed to 256 PBS member stations by the German Educational Television Network was initially sponsored by KQED Channel 9, San Francisco.
 The Emmy-nominated weekly series featured hour-long edited highlights of games involving West German association football teams and select international and European Cup games from UEFA.
 The show was hosted by Toby Charles from 1976 to 1983 and by Alan Fountain from 1983 to 1988.
 It was one of the first national TV programs dedicated exclusively to the sport of soccer in the United States.
Mouseterpiece Theater is an American television show that ran on The Disney Channel that premiered on the channel's launch date on April 18, 1983, and continued with reruns into the 1990s.
 It was a parody of the PBS show "Masterpiece Theatre", presenting classic Disney shorts instead of showing dramatic works.
 It used "Fanfare-Rondeau", the Masterpiece Theatre theme, as well.
 George Plimpton hosted and gave commentary and background information before and after each cartoon.
 Each show tended to have a theme; Goofy's emergence as the staid everyman character for example.
 It usually ran later in the evenings.