Television News Tiffani Thiessen lands mom role in Netflix's 'Alexa & Katie' comedy 06/08/2017 Tiffani Thiessen has joined the cast of the upcoming comedy "Alexa & Katie," Netflix announced Wednesday. Read More RELATED NEWS From Tokyo to Las Vegas: Taylor Swift's flight to Super Bowl LVIII'Chucky' Season 3 trailer released by USA Network and Syfy'Quantum Leap' Season 2 visits L.A. riots, Salem Witch Trials, and more TAGS: Tiffani Thiessen Paris Berelc Beverly Hills, 90210 Saved by the Bell Reba Hannah Montana Alexa & Katie