It's "Survivor" at its ickiest this week, as the contestants on Survivor: Caramoan - Fans vs. Favorites (7 p.m., CBS/Ch. 2) have to consume beetle larvae and brains in the food-eating challenge.Blech.There's also a blindside in the making, and I'm really hoping they get rid of that insufferable Phillip.Blech.Elsewhere on TV ...The Middle (7 p.m., ABC/Ch. 4): Frankie is distraught by the season finale of "The Bachelor."Nature (7 p.m. PBS/Ch. 7): I kid you not - this hour is about "What Plants Talk About."American Idol (7 p.m., Fox/Ch. 13): The remaining contestants perform.Arrow (7 p.m., CW/Ch. 30): The count escapes from a mental hospital.NBA (7 p.m. ROOT): Denver Nuggets at Utah JazzSuburgatory (7:30 p.m., ABC/Ch. 4): Lisa figures out why Dalia is being nice to Tessa.Modern Family (8 p.m., ABC/Ch. 4): Mitch and Cam organize a day for Gloria and Lily.Nova (8 p.m., PBS/Ch. 7): Metal found in a 2,000-year-old shipwreck may be the world's first computer.Supernatural (8 p.m., CW/Ch. 30): Kevin hears Crowley's voice in his head.Southland (8 and 10 p.m., TNT): Lydia and Ruben investigate the murder of Sergeant Hill's son.CSI (9 p.m., CBS/Ch. 2): The team finds what may be a serial killer's lair.Nashville (9 p.m., ABC/Ch. 4): Rayna brings her daughters on tour, but doesn't want them spending time with Juliette.Chicago Fire (9 p.m., NBC/Ch. 5): A paramedic candidate joins Shay and Dawson on several shifts.The Americans (11 p.m., FX): A routine mission goes terribly wrong.Forever Young (11 p.m. TV Land): Twenty-somethings live, work and face challenges with septuagenarians.Psych (11 p.m., USA): Gus takes his girlfriend's son to the circus.