Sneak Peek: Mark Cuban Accuses Other Sharks of 'Begging' and 'Groveling'
As Lori Grenier and Rohan Oza make a competing offer against Kevin O'Leary for Knife-Aid, a knife-sharpening-by-mail business, they keep upping their offers in an attempt to woo the entrepreneurs. But Mark Cuban thinks they're going too far, accusing them of begging and groveling for a deal. From 'Episode 4,' season 11, episode 4 of Shark Tank. Watch Shark Tank SUNDAY 9|8c on ABC, streaming, on demand, and Hulu.

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