Sweeps Schedule: April 26th-April 30th

Here it is, ladies and gentlemen, the first May sweeps schedule…

These are the things you can look forward to Thursday, April 26th-Sunday, April 29th…

Thursday, “30 Rock” wraps up its first season with guest stars Elaine Stritch and Sean Hayes (9 p.m., NBC) and Keri Russell begins her two-episode stint on “Scrubs” (9:30 p.m., NBC)…“October Road” wraps its first (and only?) season (10:01 p.m., ABC) after an all-new “Grey’s Anatomy” (9 p.m., ABC)…Sherry Stringfield (“ER”) guests on “Shark” (10 p.m., CBS)…

Friday, Brooke Shields guests as Miley’s mother on “Hannah Montana” (7 p.m., Disney Channel). Be sure to have the tissues handy…If you’re one of the few people on the planet who haven’t seen it, you can catch “High School Musical” at 8 p.m. on Disney Channel. The “dance-along edition” will get you ready for next week’s premiere of “High School Musical: The Concert”…“Raines” wraps up its first and only season (9 p.m., NBC) with guest star Cynthia Watros (“Lost”)…“Law & Order” tackles a case ripped from international headlines as they investigate a poisoned Russian émigré…Peter MacNicol returns to “Numb3rs,” (10 p.m., CBS) which means his “24” run will soon be ending (Boo Hiss!)…

Saturday, Leah Remini and Michael Rapaport guest star on “MADtv” (11 p.m., FOX)… “Saturday Night Live” strangely goes with a re-run, but it’s a good one with host Peyton Manning and musical guest Carrie Underwood. The United Way commercial and the Dora parody are both classics…

Sunday, NBC airs the documentary “Barbaro: A Nation’s Horse” (5 p.m.)…Rudy Giuliani and Stephen Hawking guest on “The Simpsons,” (8 p.m., FOX) while Drew Barrymore guests on “Family Guy” (9 p.m., FOX)…Jason Priestly directs “7th Heaven” (8 p.m., CW)…Meredith Baxter continues her stint on “Cold Case” (9 p.m., CBS)…And it’s a catfight royale when Gaby discovers what’s been going on with Carlos and Edie on “Desperate Housewives” (9 p.m., ABC)…