"The Late Show with Stephen Colbert" extended its viewership winning streak over "The Tonight Show Starring Jimmy Fallon" for a fourth consecutive week, ratings info out Tuesday reviewed.

Colbert has catapulted into the top late-night spot with his relentless bashing of President Trump.

CBS host Colbert drew 180,000 more viewers than NBC's Fallon for the week ended Feb. 24, down from a 296,000-viewer advantage the previous week, according to Nielsen.

Colbert's politically biting "Late Show" averaged 3.07 million viewers last week, making it the show's largest average audience since its current winning streak began the week ended Feb. 3.

Fallon's "Tonight Show" averaged 2.89 million viewers last week, which also ranked as its largest audience over the same four weeks.

Although Colbert attracted more viewers — up 33 percent from the same week a year ago — Fallon continued to dominate in the key demographic of viewers ages 18 to 49.

His "Tonight Show" even widened its lead last week with those viewers, to 0.15 ratings point, up from 0.13.