NEW YORK (CNS) — Here are some television program notes for the week of May 17 with their TV Parental Guidelines ratings if available. They have not been reviewed and therefore are not necessarily recommended by Catholic News Service. Check local listings for times.

Tuesday, May 19, 9-10 p.m. EDT (PBS) "Mr. Tornado." This episode of the series "American Experience" profiles pioneering meteorologist Ted Fujita (1920-98), who transformed our understanding of tornados (TV-PG — parental guidance suggested).

Wednesday, May 20, 9-10 p.m. EDT (PBS) "Decoding COVID-19." A look at how scientists are racing to understand and defeat the coronavirus behind the COVID-19 pandemic. A "Nova" presentation (TV-PG — parental guidance suggested).

Wednesday, May 20, 9:01-10 p.m. EDT (Fox) "Ultimate Tag." Premiere of a new competition series in which contestants race through three-dimensional obstacle courses while being chased by taggers. NFL players and brothers J.J., T.J. and Derek Watt host. (TV-PG/D, L — parental guidance suggested; some suggestive dialogue, infrequent coarse language).