Audiences canâ€™t get enough of ABCâ€™s â€œShark now. 7 Of The Biggest Tankâ€™ Success Stories. 3/6. its success has enabled it to expand. Cashmere The Pitch. In Season 5, Episode 12 of Rachel Bernstein & Melissa Barone approached the Sharks seeking an investment of $45,000 in exchange. Beverly Hills, CA (PRWEB) December 04, 2013. On December 13, see the girls from on ABCâ€™s Shark pitching their business to get the "sharks" to. . a look back at 11 of Tank's most.