20/20 ABC News, Fridays at 9pmShow Menu Show Home Episode Info Photos Releases Bios Contacts Social Show Bios View By Category Bio Category All News Correspondents News Correspondents David Muir Anchor, "World News Tonight with David Muir" Co-Anchor, "20/20" Amy Robach Co-Anchor, "20/20," "GMA3: What You Need to Know"