Trenchantly funny send-up of potboiling, '70s-era event miniseries follows the generations-long travails of a wealthy Texas oil clan whose patriarch (Tim Robbins) is on a doomed quest to derail the undeniable attraction between his daughter (Kristen Wiig) and his adopted son (Tobey Maguire). "Funny or Die"-produced effort that aired on IFC co-stars Will Ferrell, Jessica Alba, Haley Joel Osment, Val Kilmer, Carey Mulligan, Michael Sheen, and David Spade. 180 min. on two discs. Widescreen; Soundtrack: English.