'Mom' to end with Season 8; finale set for May 6 By (0) Allison Janney's CBS sitcom "Mom" is wrapping up in May after eight seasons. File Photo by Jim Ruymen/UPI | License Photo Anna Faris attends the premiere of "Overboard" in Los Angeles in 2018. File Photo by Jim Ruymen/UPI | License Photo Feb. 17 (UPI) -- The current, eighth season of Mom will be the Allison Janney-led sitcom's last on CBS, the show's executive producers announced Wednesday. "For the past eight years, we've had the great honor to bring these wonderful characters to life, sharing their struggles and triumphs with millions of viewers every week," executive producers Chuck Lorre, Gemma Baker and Nick Bakay said in a statement.