4 p.m. WGBH (Channel 2) Chef and restaurateur Duyen Le of Pho Le In Dorchester.
Rough Cut: Woodworking With Tommy Mac 4:30 p.m. WGBH (Channel 2) Five retired members of the military help build a flag box.
This Old House Hour 5 p.m. WGBH (Channel 2) The conversion of a 1935 Essex cottage into a residence for aging parents.
High School Quiz Show 6 p.m. WGBH (Channel 2) North Quincy vs. Lincoln-Sudbury High in the semifinals.
Only a Game 7 a.m. and 7 p.m. WBUR-FM (90.9) Greek ambassador to the US talks about her role organizing the 2004 Olympic Games in Athens.
Innovation Hub 10 a.m.
WGBH-FM (89.7) The art and science of competition and sports rivalries.
Live From Fraser 5 p.m. Classical New England (99.5)
Ask Me Another 6 p.m. WBUR-FM (90.9) Recorded in Boston at the Wilbur Theatre.
Boston Symphony Orchestra Concert 7 p.m. Classical New England (99.5)