Same as the last thread. you can list your three favorite shows from each year, doing as long or short a list as you want.
Anywho, For me I would say...
1990: Are You Afraid of The Dark, Fresh Prince of Bel-Air
1991: Dinosaurs
1992: Ghostwriter
1993: Lois & Clark: The New Adventures of Superman, Mighty Morphin Power Rangers, The X-Files
1994: Friends
1995: Goosebumps, Sliders, Star Trek: Voyager
1996: Beetle Borgs, Sabrina The Teenage Witch
1997: Buffy The Vampire Slayer
1998:Mystic Knights of Tir Na Nog
1999: Roswell, So Weird
2000: Even Stevens
2001: Smallville, The Tick
2002: Firefly
2003: N/A
2004: Ghost Hunters
2005: Doctor Who, Supernatural
2006: N/A
2007: Destination Truth
2008: Fringe, John Adams
2009: The Middle
2010: American Pickers, Unnatural History
2011: Haunted Collector, Paranormal Witness
2012: Comic Book Men,
2013: Agents of S.H.I.E.L.D. The Goldbergs, Sleepy Hollow
2014: Constantine, The Flash, Gotham
2015: Supergirl
2016: Exorcist, Legends of Tomorrow, Preacher,
Also Honorable mentions to Seinfeld which started in 1989 the year before I was born, but still was by far the best show of the 90's! As well as Star Trek:TNG which started in 1987.