Saturday night, “iCarly” (Nickelodeon at 8) features a crossover with “Victorious”: Carly and Tori meet — and realize they’re both dating the same guy. Cue the girls teaming up to plot revenge on the two-timer.

The Hallmark original movie “A Crush on You” (Hallmark at 9) features a nervous single guy who tries to e-mail his crush but makes a simple mistake and ends up sending a bold message to her shy co-worker.

Sunday talk shows: “Platts Energy Week” (WUSA at 8 a.m.) interviews former senator Byron Dorgan (D-N.D.); “BioCentury This Week” (WUSA at 8:30) features FDA Commissioner Margaret Hamburg; “Ideas in Action with Jim Glassman” (MPT at 8:30, 9:30 on WHUT) has former first lady Laura Bush, Goldman Sachs’ Dina Powell and Deloitte Consulting’s Mina Sherzoy; “Fox News Sunday” (Fox at 9) hosts Republican presidential candidate Tim Pawlenty; “Politics Program With Mark Plotkin” (NewsChannel 8 at 9) features Israeli Ambassador Michael Oren and Montgomery County Council members Roger Berliner and Nancy Floreen; “White House Chronicle” (WETA at 9) has RealClearPolitics’ Carl Cannon and the Boston Globe’s Donovan Slack; “State of the Union” (CNN at 9) features Sen. Kelly Ayotte (R-N.H.), Rep. Charles Bass (R-N.H.), former senator John E. Sununu (R-N.H.), the Wall Street Journal’s Neil King and The Post’s Philip Rucker; “The Chris Matthews Show” (NBC at 10) hosts NBC’s Andrea Mitchell, New York Magazine’s John Heilemann, The Post’s David Ignatius and Time’s Rana Foroohar.

“Newsmakers” (C-SPAN at 10) talks to Sen. Lamar Alexander (R-Tenn.); “Meet the Press” (NBC at 10:30) has Rep. Debbie Wasserman Schultz (D-Fla.), Republican National Committee chairman Reince Priebus, Republican presidential candidate Rick Santorum, Atlanta Mayor Kasim Reed (D), Republican strategist Mike Murphy, author Richard Wolffe and the Wall Street Journal’s Kim Strassel; “Face the Nation” (CBS at 10:30) talks to Reps. Steny H. Hoyer (D-Md.) and Paul Ryan (R-Wis.); “Washington Watch with Roland Martin” (TV One at 11) hosts economist Austan Goolsbee, Rev. Jim Wallis, an author, and the Family Research Council’s Peter Sprigg; “This Week in Defense News” (WUSA at 11) has Gen. William B. Caldwell ; “energyNOW!” (WJLA at 11) talks to Rep. Joe Barton (R-Tex.); “The McLaughlin Group” (WUSA at 11:30) features MSNBC’s Pat Buchanan, Newsweek’s Eleanor Clift, National Review’s Rich Lowry and MSNBC’s Michelle Bernard; “This Is America With Dennis Wholey” (WHUT at 6 p.m.) talks to Oman’s Minister of Information, H.E. Hamed bin Mohammed al-Rashdi, and Omani state council member Rahila al-Riyami.

Sunday night, Neil Patrick Harris hosts the Tony Awards (CBS at 8) from the Beacon Theatre in New York.

“Glee” producers search for a new cast member to guest-star in a seven-episode arc next season with the help of reality competition series “The Glee Project” (Oxygen at 8, 9).

“Finding Sarah: From Royalty to the Real World” (OWN at 9) follows Sarah Ferguson, the Duchess of York, as she tries to overcome her latest struggles. It is previewed by Hank Stuever on Page C1.

— Emily Yahr