Former cable news leader CNN, struggling to regain ground in the ratings, suffered a setback in that effort over the weekend, with two shows producing disappointing results.

“Maybe it was Game 2 of the NBA Finals or the Tony Awards or maybe the menu, but CNN took a hit Sunday with ‘Anthony Bourdain: Parts Unknown’s’ finale and the debut of talk show ‘Stroumboulopoulos,’” Deadline.com reports. “Taking a trip down the Congo River, the finale of Bourdain’s freshman series sank to its second-lowest result of the season with 460,000 total viewers and 208,000 in the adults 25-54 demo. The June 9 travelogue show was down 38% in total viewers and 32% in the demo from the week before.”

“Parts Unknown” did beat MSNBC at 9 p.m., both in total viewers and in the 25-54 news demo, the piece notes, but it lagged well behind Fox News Channel’s viewer total of 837,000 for a rerun of “Hannity” focused on the IRS scandal. The CNN program topped FNC’s 108,000 in the news demo.

“Overall, Sunday’s finale was down 34% among viewers and 29% in the demo from the show’s season averages of 693,000 and 291,000, respectively,” Deadline notes. “’Parts Unknown’s’ worst performance of the season was on Memorial Day weekend, when it pulled in 363,000 total viewers and 173,000 in the demo. Following a strong start in its April 14 debut, the series, which CNN renewed on May 1, had its best results in its second week when 747,000 total viewers and 282,000 in the demo tuned in.”

The new 10 p.m. talk show “Stromboulopoulos,” meanwhile, produced the channel’s second-worst Sunday numbers of the year for the time slot, the story reports.

“Fronted by Canadian talk show host George Stroumboulopoulos, the premiere had as its first guests fellow Great White Northerners Martin Short and Keanu Reeves as well as rapper Wiz Khalifia,” Deadline reports. “Losing more than half of its lead-in audience, the show finished third behind Fox News and MSNBC with 192,000 total viewers and 78,000 in the adults 25-54 demo. That is down 62% in total viewers and 55% in the demo from the results of an Anderson Cooper special the week before in the same slot.”

Among the show’s time-slot competitors, FNC’s “Stossel” delivered 739,000 total viewers and 140,000 adults 25-54, while “MSNBC Investigates” served up 391,000 total viewers and 224,000 in the demo.

“Compared with year-to-date averages, ‘Stromboulopoulos’ was down 56% in viewers and 48% in the demo,” Deadline notes.

The show vacates its Sunday slot this week for a move to 11 p.m. Fridays.