TL;DR: “20/20” kicks off its new season tonight, Friday, Sept. 25, at 9 p.m. ET on ABC with “The Salem Strangler,” a two-hour investigation into the 1986 murder of Salem State student Claire Gravel.

Deborah Roberts investigates “The Salem Strangler” for the “20/20” season premiere, airing Friday, September 25. ABC’s “20/20″ live TV streaming details: Show: “20/20″ Episode: Season 49, episode 1 ...

"20/20" is airing a new episode about Laura Simonson. Here's everything you need to know to watch, live or later on, if you ...

20/20 airs Friday night at 9 p.m. on 13abc, followed by 13 Action News at 11 p.m.

A successful businesswoman goes missing without a trace. What really happened? The all-new 20/20 ‘Help Dale Find Dee’ airs ...

Fans of true-crime stories are most likely dedicated viewers of both 20/20 and Dateline, two similar shows that both air on Friday nights (on ABC and NBC, respectively). The two long-running news ...