CBS Interactive is introducing seven new online-only series, including two Internet shows based on the Eye’s primetime “Elementary” and “Person of Interest.”

New shows on CBS.com are “Baker Street Irregulars,” live-action skein based on net’s “Elementary,” which follows crew of characters assisting the modern-day Sherlock in solving crimes; and “Person of Interest: Animated,” Japanese anime-style skein produced by namesake series’ creator and exec producer Jonathan Nolan and exec producer Greg Plageman. Shows will debut online in the fall.

Broadcast net has produced digital shorts for primetime shows before, such as behind-the-scenes extras, but “Baker Street Irregulars” and “Person of Interest: Animated” are first original online programming tied to CBS shows, said Marc DeBevoise, exec veep and GM entertainment, sports and news for CBS Interactive.

CBS announced new Internet video content at Digital Content NewFronts event Tuesday in New York. CBS Interactive prexy Jim Lanzone served as emcee for the evening.

In addition, CBS Interactive will introduce three series on CNET tech property: “Next Big Thing,” covering major technology trends; “CNET Appliances,” delving into smart appliances; and “CNET Español,” Spanish-language program aimed at U.S. Hispanic market.

The Eye also will debut two shows on GameSpot, its videogame website: “GameStart,” series following gaming upstarts seeking Kickstarter funding; and “Baller Status,” featuring sports pros and celebs playing games head-to-head. CBS Interactive has greenlighted season two of “GameCrib,” reality show about pro gamers.

Overall, CBS Interactive produces 88 original digital series. Net claims to reach 110 million unique visitors monthly in the U.S. across 25 sites.

CBS talent and execs also highlighted recently launched online series, including CNET’s “Hooked Up,” “On Cars” and “Always On”; CBSSports.com’s “Fantasy Football Today”; and CBSNews.com’s “60 Minutes Overtime.”

Alt-rock French band Phoenix skedded to close out event, with performance to be streamed over the Internet as part of “Live on Letterman” concert series, following presentation at the Hudson Theater in Times Square.