I am searching for complete, original broadcast episodes of Unsolved Mysteries. I am posting my episode list below for trade.

Pre-Stack Specials
1-20-1987 Raymond Burr Special #1
5-25-1987 Karl Malden Special #2
9-24-1987 Karl Malden Special #3

Season 0
2-5-1988 Special #5
5-6-1988 Special #6
5-18-1988 Special #7

Season 1
10-5-1988
10-12-1988
10-26-1988
11-2-1988
11-9-1988
11-16-1988
11-23-1988
11-30-1988
12-14-1988
12-21-1988
1-11-1989
1-18-1989
2-1-1989 2 version NBC original/Lifetime repeat WOC
2-8-1989 2 versions NBC original/Lifetime 45 min version
2-15-1989
2-22-1989
3-1-1989
3-15-1989
4-5-1989
4-12-1989
4-26-1989
5-3-1989
5-10-1989

Season 2
9-20-1989
9-27-1989
10-11-1989
10-18-1989
10-25-1989
11-1-1989
11-8-1989
11-15-1989
11-22-1989
11-29-1989
12-6-1989
12-13-1989
12-20-1989
1-3-1990
1-17-1990
1-24-1990
1-31-1990
2-7-1990
2-11-1990
2-14-1990
2-21-1990
3-21-1990
3-28-1990
4-4-1990
4-25-1990
5-2-1990
5-16-1990
8-22-1990
9-5-1990

Season 3
9-12-1990
9-19-1990
9-26-1990
10-3-1990
10-10-1990
10-17-1990
10-24-1990
11-7-1990
11-14-1990
12-5-1990
12-12-1990
12-19-1990
1-2-1991 WOC
1-9-1991
1-23-1991 WOC
2-6-1991
2-13-1991
2-20-1991
2-27-1991
3-27-1991
4-3-1991
4-24-1991
5-1-1991
5-8-1991
5-15-1991 WOC
5-22-1991
8-28-1991
9-4-1991
9-11-1991

Season 4
9-18-1991
9-25-1991
10-2-1991
10-9-1991
10-16-1991
11-3-1991
11-6-1991
11-10-1991
11-13-1991
11-20-1991
11-27-1991
12-4-1991
12-11-1991
12-18-1991
1-15-1992 WOC
1-29-1992 WOC
2-5-1992
2-12-1992
2-19-1992 WOC
2-26-1992
3-4-1992
3-18-1992
4-8-1992
4-22-1992
4-29-1992
5-6-1992
5-13-1992
5-20-1992 WOC

Season 5
9-16-1992
9-23-1992
9-30-1992
10-14-1992
10-21-1992
11-18-1992
11-25-1992
12-2-1992
12-9-1992
12-16-1992
12-23-1992
1-6-1993
2-3-1993
2-9-1993
2-10-1993
2-17-1993
3-10-1993
2-24-1993
3-31-1993
4-7-1993
4-21-1993
4-28-1993
5-5-1993
5-12-1993
5-19-1993
9-15-1993

Season 6
9-22-1993
9-29-1993
10-6-1993
10-13-1993 WOC
10-27-1993 Lifetime repeat WOC
11-3-1993
11-10-1993
11-17-1993
11-24-1993
12-1-1993 WOC
12-8-1993
1-19-1994
1-26-1994 WOC
2-2-1994 WOC
2-9-1994 WOC
2-16-1994 WOC
2-23-1994 WOC
3-2-1994 WOC
3-16-1994 WOC
3-23-1994 WOC
4-3-1994
4-6-1994 WOC
4-13-1994 WOC
4-20-1994
4-27-1994
5-4-1994 WOC
5-11-1994 WOC
5-25-1994 WOC
5-25-1994 Lifetime repeat WOC
5-25-1994 lifetime repeat, partial WOC
9-18-1994

Season 7
10-16-1994 WOC
10-24-1994 WOC
11-11-1994 (partial)
12-2-1994 WOC
12-9-1994
1-6-1995 Partial
1-13-1995
1-20-1995 WOC
2-3-1995 WOC
2-10-1995 WOC
2-17-1995 WOC
2-24-1995 WOC
3-3-1995 WOC
3-17-1995 WOC
3-24-1995 WOC
3-31-1995 WOC
4-7-1995 WOC
5-12-1995
6 summer reruns from July/August 1995, Season 7, all WOC. They are mixed segments from the season. Best dates I can find on them are 7/7, 7/14, 7/21, 7/28, 8/4, 8/11.

Season 8
11-3-1995 WOC(watermark)
11-3-1995 no watermark
11-10-1995 WOC(watermark)
11-10-1995 no watermark
11-17-1995
3-22-1996 WOC Lifetime
5-10-1996


Season 9
11-1-1996
1-31-1997 WOC

Season 11
4-2-1999 WOC
4-9-1999 WOC
4-16-1999 WOC
6-4-1999 WOC
6-11-1999 WOC

Season 12
8-6-2001
8-7-2001
8-16-2001
8-21-2001
8-23-2001
8-29-2001
8-31-2001
9-5-2001 (partial)
9-12-2001
10-4-2001
10-15-2001
11-19-2001

Season 13
6-12-2002
6-13-2002
7-1-2002
7-2-2002
7-19-2002
7-22-2002 (partial)
7-29-2002
8-9-2002
8-12-2002
8-22-2002
8-23-2002
8-27-2002
8-28-2002
9-3-2002
9-4-2002
9-5-2002
9-6-2002
9-17-2002


Final Appeal

Jeffrey MacDonald/Port Chicago Mutiny(poor quality, lifetime broadcasts)
Paul Farrell WOC(watermark)
Paul Farrell - no commercials, no watermark
Dan Montecalvo - no commercials