Katie Couric will revisit a familiar daypart when she fills in for a colleague on an ABC show, TVNewser.com reports.

The former host of NBC’s “Today” will be back on air in the morning, co-hosting "Good Morning America" next week, the story says. Couric will fill in for Robin Roberts.

The show continues to gain ground on "Today," where Couric left almost six years ago, the story points out. The ratings gap between the two shows among younger viewers was its smallest since July 2008 during the week of March 12, according to the article.