Watch Reading Rainbow's LeVar Burton Cheerfully Read an Expletive-Filled Kids' Book

WARNING: Above video contains graphic language

Reading Rainbow is getting rated-R.

On Saturday, the Rainbow host and Roots actor LeVar Burton stopped by Austin-based production studio Rooster Teeth with some unexpected – and explicit – readings for charity, according to CNN.

LeVar Burton Beams Up Star Trek Buddies for Reading Rainbow Campaign

LeVar Burton is rounding up his friends from the final frontier to help bring Reading Rainbow to every child.

LeVar Burton Talks Reading Rainbow's Brilliant Kickstarter Return

After 23 years of introducing kids to the power of the written word, Reading Rainbow’s final episode aired on November 16, 2006 – but now the childhood favorite is making a big comeback.

Reading Rainbow's LeVar Burton in Auto Accident

LeVar Burton was injured in a five-car accident in West Los Angeles, police tell PEOPLE.

Burton, 52, whose TV acting has included roles on such programs as Roots and Star Trek: The Next Generation and who served as the longtime host of Reading Rainbow, was driving his 2006 Mercedes eastbound along Beverly Boulevard at about 7:40 p.m. Monday when a 74-year-old woman driving westbound turned left in front of him, says LAPD Officer Tenesha Dobine.