Mike Hughes on TV

1) “Scrubs” season-openers, 8 and 8:30 p.m., ABC. Half-hour comedies are scarce now. This is the first broadcast-network one (cartoons excluded) with new episodes this fall. It juggles the serious — Dr. Cox has an incurable autoimmune condition — and the fun: Elliot (second from right) finds fresh confidence; J.D. (second from left) schemes an insurance workaround. Read more…

1) “Comics Unleashed” anniversary special, 9-11 p.m., CBS. At 18, Byron Allen was the youngest comedian to be on Johnny Carson’s show; at 65, Allen (shown here at one of his shows) has a company that owns stations, The Weather Channel, BuzzFeed and more. At the core are micro-budget shows like “Unleashed,” which was obscure until it took over Stephen Colbert’s spot; it marks its 20th year. Read more…

1) “All American” series finale, 8 p.m., CW. This began eight years ago, with Daniel Ezra (shown here) playing Spencer, a football star transferring to Beverly Hills. Ezra left two years ago, but returns to direct and star in the final episode. Spencer has one of his most important days … Olivia leans on her mom for a key decision … and others face transitions. Read more…

1) “The Simpsons” season-opener, 8 p.m., Fox. The only thing that can save the school is getting a British author (Emma Thompson) to Springfield. And the only one who can do it, alas, is Homer (shown here with her). This, of course, requires car theft, jail break and freeway chaos There are plenty of funny moments, plus a clever shift into styles of children’s-book artwork. Read more…

1) “Farm Aid,” 7-11 p.m., CNN. Ever since 1985, this mega-concert has raised money for hard-pressed farmers. The co-founders — Willie Nelson, 93, shown here; Neil Young, 80; and John Mellencamp, 74 — are expected back, plus new generations (including Nelson’s son Lukas). Also: Dave Matthews, Margo Price, Lily Meola, Chris Pierce and many more. Read more…