Review of Klitschko (2011) by Ronnie Scheib for Variety — 21 Oct 2011

The indomitable siblings' unusual background, huge size and highly developed intellects, as well as the dramatic ups, downs and rebounds of their interwoven sagas, should result in a fascinating dual biodoc.

But the two-hour pic's lack of economy makes for heavy slogging, with no boxing minutiae too small for exhaustive exposition.