Not much new on TV in this holiday week, but here are seven shows you might find interesting. Stay tuned to the end of this post for a look at some July 4 cable marathons.

‘American Idol,’ 7 p.m. Monday on Fox

In memory of Michael Jackson, last season’s Top 13 finalists perform his songs. Revisit Adam Lambert on “Black or White,” Kris Allen on “Remember the Time” and Anoop Desai on “Beat It.”

‘Dance Your Ass Off,’ 9 p.m. Monday on Oxygen

Plus-size contestants who are light on their feet dance to lose pounds in a new series with Marisa Jaret Winokur (”Dancing with the Stars”) as host.

‘Nova scienceNOW,’ 9 p.m. Tuesday on PBS

Dr. Neil deGrasse Tyson returns for a new season, beginning with a look (a listen, really) at how Auto-Tune vocal software helps keep performers on pitch.

Julia McKenzie

‘American Masters: Garrison Keillor,” 7 p.m. Wednesday on PBS

 

 ”The Man on the Radio in the Red Shoes” profiles the creator of “A Prairie Home Companion,” following him to a rhubarb festival and showing him at work behind the scenes on the show.

‘Clean House: The Messiest Home in the Country,’ 8 p.m. Wednesday on Style

A retired police detective in Ohio set records for the amount of junk hauled out of her house, and also for her extremely reaction to the results. Let’s just say she wasn’t happy.

‘Monsters Inside Me,’ 9 p.m. Wednesday on Animal Planet

“Some of the most horrifying creatures on the planet are the ones that are too small to see!” Well, that’s a comforting intro to a new series that promises to show what happens when humans fall prey to parasites.

‘Ruby,’ 7 p.m. Sunday on Style

Ruby Gettinger’s weight-loss journey continues in Season 2, which opens with a death in the family.

‘Masterpiece Mystery: Miss Marple,’ 8 p.m. Sunday on PBS.

Julia McKenzie makes her debut as Agatha Christie’s sleuth in  ”A Pocket Full of Rye,” the first of four Marple yarns praised in Britain as staying unusually faithful to the Christie books.

July 4 marathons:

‘Deadliest Catch,’ 8 a.m.-2 a.m. on Discovery

‘The Revolution,’ 7 a.m.-5 p.m. on History

‘The Presidents,’ 7 p.m.-11 p.m. on History

‘Clean House,’ 7 a.m.-9 p.m. on Style

‘Extreme,’ 8 a.m.-9 p.m. on Travel

‘Sister, Sister,’ 8 a.m.-3 a.m. on BET

‘Leave It to Beaver,’ 10 a.m.-2 p.m. on TV Land

‘Andy Griffith,’ 2 p.m.-7 p.m. on TV Land

‘Roseanne,’ 7 p.m.-7 a.m. on TV Land

‘The Twilight Zone,’ 8 a.m.-5 a.m. on Sci Fi

If you’re interested in a holiday veg out, also look for marathons on Friday and Sunday.