Denzel Washington has to stop that darn train in “Unstoppable” (HBO, 8 p.m.), which is not the only crazy runaway train movie on toinght. The other is “Emperor of the North” (Fox Movie Channel, 8 p.m.).

And there’s other Denzel Washington on tonight as well, with “Remember the Titans” (ABC Family, 8 p.m.) and “The Book of Eli” (More Max, 9 p.m.).

Other movies new to cable tonight include Gwyneth Paltrow singing in “Country Strong” (Starz, 9 p.m.) with Tim McGraw — in an odd double feature with “Burlesque” (Starz, 7 p.m.). And then there’s Rob Schneider in “Big Stan” (Cinemax, 10 p.m.).

The second season starts for “Rock ‘n’ Roll Fantasy Camp” (VH1 Classic, 10 p.m.) with 14 hopefuls teaming up with B-listers Duff McKagan, Matt Sorum and Mark Hudson, who are the counselors and coaches. Guest stars this season will include Paul Stanley of Kiss, Phil Collen of Def Leppard and Marky Ramone of the Ramones. The winner gets to perform with Sammy Hagar. Kimberly Caldwell hosts.

ABC gives up on  its Harry Potter Saturday night summer series and goes for the recent hit that premiered on the Disney Channel, “Phineas and Ferb: Across the 2nd Dimension” (ABC, 8 p.m.).

On a two hour episode of “True Jackson, VP” (Nickelodeon , 8:30 p.m.), the gang goes to Peru.

Let us remember the monsters of season six on a “Doctor Who” (BBC America, 9 p.m.).

Loretta Lynn refuses to stand by her ghost on a new “Celebrity Ghost Stories” (BIO, 9 p.m.).

Somebody actually wins the HGTV Green Home Giveaway 2011 (HGTV, 8 p.m.) located in Colorado.

Then Paul Pierce of the Boston Celtics enlists the help of “Home by Novogratz” (HGTV, 10 p.m.) to renovate an anti-obesity center.

The VISA Championships (NBC, 8 p.m.) from St. Paul, brings gymnastics back to prime time.

It’s Saints at Texans (NFL, 8 p.m.) in preseason football.

With her new movie “One Day” in theaters, Anne Hathaway hosts a rerun of “Saturday Night Live” (NBC, 11:30 p.m.) with Florence + The Machine as musical guests.

The new Sunday night prime time sketch comedy show “In the Flow with Affion Crockett” (Fox, midnight) gets a late night Saturday repeat as well.