THE TELETUBBIES GO TO WAR: From a production and construction standpoint, the penultimate leg of TARstars in Guam was everything you'd want it to be -- a unique and well-designed roadblock and detour each relying on mental acuity and attention to detail rather than physical speed or strength, a decent but not overwhelming amount of driving/navigation issues, and almost a complete absence of racers complaining about each other's morality.
Pure, fun racing with four teams that stayed fairly likable across the episode, and there's not much more for which you could ask. Except . . .