Sweeps Schedule: April 30th-May 6th

Here are the sweeps surprises you can expect April 30th-May 6th…

Monday, April 30th, Bob Barker guests on “How I Met Your Mother” (8 p.m., CBS) as Barney gets on “The Price is Right” as a contestant…“Heroes” shows us what would happen if the heroes don’t save the world (9 p.m., NBC)…

Tuesday, May 1st, “Veronica Mars” returns with the first of the season’s four remaining episodes (9 p.m., CW)…Tate Donovan guest stars on “Law & Order: Criminal Intent” for a story ripped from the headlines about a crazy astronaut love triangle (9 p.m., NBC), while Kim Delaney guest stars on “Law & Order: SVU” (10 p.m., NBC)…

Wednesday, May 2nd, “One Tree Hill” returns to finish out its season (9 p.m., CW)…Neve Campbell and Jason Priestley begin a three episode guest stint on “Medium” (10 p.m., NBC)…“CSI: NY” does a crossover with “Cold Case” as Danny visits to investigate Stella (10 p.m., CBS)…

Thursday, May 3rd, NBC’s Thursday comedies are super-sized as “My Name Is Earl” does a scratch-and-sniff episode (8 p.m., NBC). You can get your scratch-and-sniff card in this week’s “TV Guide.” “Scrubs” gets a visit from Keri Russell (9:20 p.m., NBC)…“Smallville” travels to the 1940s in a dream sequence (8 p.m., CW)…“Grey’s Anatomy” sets up its possible spin-off with a two-hour episode (9 p.m., ABC)… “Shark” wraps up its first season (10 p.m., CBS), while Abby and Luka get married on “ER” (9:54 p.m., NBC)…

Friday, May 4th, Disney Channel gives us the premiere of “High School Musical: The Concert” (9 p.m.), an hour special showcasing the best moments from this past summer’s tour. “HSM” die-hards should be warned, though, that Zac Efron (Troy) won’t be there (He was filming “Hairspray.”). Drew Seeley, who sang some of the vocals for Troy in the movie, takes his place…

Saturday, it’s the fastest two minutes in sports as NBC brings us the Kentucky Derby (4:30 p.m.)…“Saturday Night Live” gives us a clip show with the best bits from this season (11:30 p.m., NBC)…
Sunday, May 6th, “Amazing Race: All-Stars” (8 p.m., CBS) and “Cold Case” (9 p.m., CBS) wrap up their seasons…