He co-starred as Danny Partridge, the wisecracking, redheaded middle son of the singing family band (headed by Shirley Jones) and he portrayed the fictional pop group's bass guitar player.

[3] Bonaduce made a small appearance in the Bewitched season 5 episode "Going Ape", which aired on February 27, 1969, as a young boy in the park whose chimpanzee follows Samantha (Elizabeth Montgomery) and Tabitha (Erin Murphy) home.

[5] Hamill and Bonaduce played high school students who went in search of a stolen customized Corvette Stingray.

Bonaduce also made guest appearances on several TV shows, including the television action drama CHiPs.

Bonaduce and Partridge Family co-star Dave Madden made cameo appearances in a 1994 episode of Married... with Children.

During the 1995–96 TV season, Bonaduce was the host of Danny!, a syndicated talk show featuring the house band The Critics.

[5] In 2006, he had a recurring role in the crime scene drama CSI as a character known as Izzy Delancy – a once great, but philandering, rock star, the victim of the infamous miniature killer.

Between 1996 and 1998, Bonaduce hosted a morning radio show in Detroit on WKQI with comedian and Last Comic Standing winner John Heffron.

In February 2009, it was announced that the station had changed its format from talk to Top 40 and the removal of Broadcasting Bonaduce from the KLSX schedule was confirmed.

On April 29, 2022, Bonaduce announced that he was taking a temporary medical leave from his Seattle radio show to pursue treatment for an undisclosed illness.

[12] On October 2, 2007, Bonaduce was involved in an altercation with Survivor show participant Jonny Fairplay during the Fox Reality Awards.

Bonaduce, a black belt in Tang Soo Do, adjusted his balance and grip and threw Fairplay over his head.

Bonaduce then smiled and proceeded to make faces and exaggerated shrugging motions at the audience before walking off stage.

[15] As an adult, Bonaduce boxed Donny Osmond and former Brady Barry Williams in separate charity events.

[16] On September 13, 2008, Bonaduce defeated "Reverend" Bob Levy by a TKO in the second one-minute round of a planned three-round fight.

[17] It was announced in early January 2009 that Bonaduce would box retired baseball player José Canseco at a charity event in the Philadelphia area.

[18][19] In April 1994, it was announced that Bonaduce would be making his professional wrestling debut in a "dark match" at the Spring Stampede in Chicago.

On November 4, 1990, Bonaduce met second wife Gretchen Hillmer on a blind date and, on a whim, they married the same day.

She now manages Bonaduce's career full-time, runs Gravel Tones Productions Inc and is occasionally seen in sketches on The Smoking Gun Presents: World's Dumbest... on truTV.

On March 31, 1991, Bonaduce was arrested in Phoenix for beating and robbing Darius Barney, a transgender sex worker; "authorities said the victim suffered a broken nose and a cut to his face.

[38] In June 2023, Bonaduce announced that he would be undergoing hydrocephalus-related surgery after experiencing difficulty walking and maintaining his balance.

[39][40] In December 2023, Bonaduce announced his retirement from Seattle radio and his planned relocation to Palm Springs, California.