Shark Tank Season: 4 Guest Shark [exclusive]

While there were no guest investors sitting in the leather chairs to write checks, Season 4 was packed with who appeared alongside entrepreneurs to help pitch products:

: The Family Guy creator appeared to help pitch "No Fly Cone," a fly trap. Bruce Vilanch

: The legendary Lifestyles of the Rich and Famous host pitched for Rock Bands .

: The comedy writer appeared for PC Classes Online . shark tank season 4 guest shark

: Known as the "Queen of QVC," she was promoted to a series regular this season after appearing as a guest previously.

Lori wasn't just a guest; she was a declaration that the show was expanding its palette beyond the original five.

8 Richest Guest Sharks in Shark Tank History - Yahoo Finance While there were no guest investors sitting in

: The technology mogul who built and sold several IT security firms. Barbara Corcoran : The Manhattan real estate mogul. Notable "Guest" Appearances

The guests broke the algorithm.

: The legendary comedy writer appeared to support a pitch for "PC Classes Online". Brandon Jacobs : The NFL star cameoed to pitch "PRO-NRG". The Deal That Stole the Season : Known as the "Queen of QVC," she

Unlike later seasons, Season 4 only had a handful of guest sharks, and they typically sat in for one or two episodes rather than half a season.

By the time Season 4 aired in 2012–2013, the producers moved away from the guest investor format used in earlier seasons (like Jeff Foxworthy in Season 2) to establish a permanent, rotating cast. This "core six" includes: : The billionaire owner of the Dallas Mavericks.

Even without guest sharks, this season is considered one of the show's most successful. It produced , which Lori Greiner invested in and which remains the most successful product in the show's history. Other major deals included Drop Stop and ChordBuddy .

While is famous for cementing the "classic" lineup of six main Sharks, it is actually the first season since the show's premiere that did not feature any official Guest Sharks . The Evolution of the Shark Panel