Shark Tank · Season 8 · Aired April 14, 2017

Shark Tank Season 8, Episode 21 Products

4 pitches, 2 deals and $600K invested on air. Here's every product from the episode, what the founders asked for, what they got and where they are now.

Episode at a glance

  • 💰 Biggest deal: Guardian Bikes, $500K for 15% with Mark Cuban.
  • 🦈 Sharks who invested: Barbara Corcoran, Mark Cuban.
  • 📍 Where they are now: 2 of 4 companies are confirmed still operating or were acquired (checked November 2026).
  1. Pitch 1

    Guard Llama

    DealOut of business

    Guard Llama is a small remote device that activates a personal emergency response service at the press of a button.

    Now: Guard Llama went out of business by the end of 2021, and its website and social accounts are gone.

    Asked
    $100K for 5%
    Result
    $100K for 18%
  2. Pitch 2

    Flag

    No dealOut of business

    Flag is an app that offered free photo prints of smartphone pictures, supported by advertising printed on the back of each photo.

    Now: Flag stopped producing prints in March 2017, weeks before its episode aired. Its tryflag.com and fla.ag sites are dead and the app is gone from the App Store.

    Asked
    $375K for 5%
    Result
    No deal
    Shark
    -
    Flag update
  3. Pitch 3

    Validated

    No dealAcquired

    Validated is an app that lets users earn credit toward transportation costs, such as rides and parking, through participating businesses.

    Now: Bought by ReachNow, the BMW-run rideshare and car-sharing app formerly called moovel, in May 2019. ReachNow shut down about two months later in July 2019, and the Validated app and website are gone.

    Asked
    $250K for 8%
    Result
    No deal
    Shark
    -
  4. Guardian BikesPitch 4

    Guardian Bikes

    DealStill in business

    Guardian Bikes makes children's bicycles with a patented braking system that activates both brakes with one hand lever.

    Asked
    $500K for 10%
    Result
    $500K for 15%

🎯 Watching with friends? Print Shark Tank bingo cards or a pitch scorecard.

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Frequently asked questions

What products were on Shark Tank Season 8 Episode 21?

The pitches were Guard Llama, Flag, Validated and Guardian Bikes.

Who got a deal on Shark Tank Season 8 Episode 21?

Guard Llama (Barbara Corcoran) and Guardian Bikes (Mark Cuban) made deals.

When did Season 8 Episode 21 air?

It first aired on April 14, 2017.

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