BEST BETS on TV

“Survivor: Samoa” (8 p.m., CBS): Size matters on “Survivor: Samoa” as the cast has been bumped up to 20 for the new edition of the venerable reality series. Apparently, they wanted even more bickering and back-stabbing.

“Bones” (8 p.m., Fox): Cyndi Lauper alert: The pop singer guest stars on the Season 5 opener of “Bones.” She plays a psychic who leads Brennan and Booth to bodies buried beneath a fountain.