For his hockey knowledge, Fischler promotes himself as “The Hockey Maven” in both local and national circles. He can be seen aside Al Trautwig during MSG hockey intermissions for the New York Islanders, New Jersey Devils, and New York Rangers on MSG and MSG Plus. He also provides general hockey analysis on MSG and writes columns for the network's website (MSG.com). In 2009, Fischler began hosting a feature, "Five For Fischler," on "Hockey Night Live!" which lists his Top Five in a random hockey topic.
In addition to broadcasting, Fischler has authored or co-authored more than 90 books on hockey or the NYC subway system, frequently co-writing with his wife Shirley. His books include: The Hockey Encyclopedia, Everybody's Hockey Book, Hockey Chronicle, The New NHL Encyclopedia, Cracked Ice: An Insider's Look at the NHL, and most recently MetroIce: A Century of Hockey in Greater New York, focusing on the Rangers, Islanders and Devils franchises. His most famous subway book is Uptown, Downtown.