In the documentary film We Jam Econo, Watt mentioned that the last time he saw Boon, he had received lyrics for 10 songs from critic and songwriter Richard Meltzer for a planned collaboration with Minutemen.

'"[16] Subsequently, Ed Crawford, a Minutemen fan who drove to San Pedro from Ohio, persuaded the Watt/Hurley rhythm section to continue playing music.

His first album, Ball-Hog or Tugboat?, featured appearances from dozens of musicians (many were Watt's peers from the 1980s SST era), including Henry Rollins, Eddie Vedder, J Mascis, Carla Bozulich, Evan Dando, members of Sonic Youth, Red Hot Chili Peppers, Frank Black, Nirvana, Soul Asylum, Jane's Addiction, the Beastie Boys and the Screaming Trees.

After Vedder returned to his Pearl Jam commitments and Grohl began working with his new band Foo Fighters, Watt formed his only four-piece touring group to date, The Crew Of The Flying Saucer, featuring guitarist Nels Cline and two drummers.

In 1996, Watt contributed bass guitar on two songs for Porno for Pyros' second album, Good God's Urge, filling in for Martyn LeNoble who quit the band during recording sessions.

He also played in Wylde Ratttz with Sonic Youth's Thurston Moore and The Stooges' Ron Asheton, recording a song for the film Velvet Goldmine.

Starting in mid-2011, Watt began playing bass for a psychedelic/progressive rock band called Anywhere with the Mars Volta's Cedric Bixler-Zavala and Christian Eric Beaulieu of Triclops!

[18][19] In January 2000, Watt fell ill with an infection of his perineum,[20] forcing him into emergency surgery and nine weeks of bedrest in his San Pedro apartment.

In 2005, another side project featuring Watt came to light with the announced September 20 release of The Way Things Work, an album of improvised music under the group name, Unknown Instructors with George Hurley, Saccharine Trust's Joe Baiza and Jack Brewer, and poet/saxophonist Dan McGuire.

Basic tracks have already been laid down for the fourth Unknown Instructors album at Secondmen organist Pete Mazich's Casa Hanzo studio in San Pedro.

Watt would further his interest in improvised music by forming a trio, Los Pumpkinheads, with former Beastie Boys keyboardist Money Mark and Caroline Bermudez.

Big Walnuts Yonder is an American supergroup formed in 2008 consisting of bassist/vocalist Watt, guitarist Nels Cline from Wilco, drummer Greg Saunier from Deerhoof, and guitarist/vocalist Nick Reinhart from Tera Melos.

[28] Watt reunited with the final Black Gang lineup of Nels Cline and Bob Lee to record a new album, tentatively titled My Shibun No Hi, in 2008.

Since then, two more albums by the band have been recorded but have yet Watt and Cline teamed up in New York to form Floored by Four with ex-Cibo Matto keyboardist Yuka Honda and Lounge Lizards drummer Dougie Bowne.

Watt chose to start clenchedwrench after returning from his Japanese Hyphenated-man tour because "I've got so many proj[ect]s in the pipeline... and I want no hiccups with getting them out, so up goes my own freak flag flying.

The project band, Il Sogno Del Marinaio,(the name is Italian for The Sailor's Dream)[33] did a short six-date tour, after which recording for an album (later entitled La Busta Gialla) took place.

[37] The album, entitled Tamatebako, was released in 2014 under the band name CUZ[36] and features guest vocals by Charles Plymell, DJ Scotch Egg, and fellow Go!

[41] Watt and S. Howe of the band Schooner formed an experimental music project called The Island[42] and released Listening to the Warning in 2011 and Lamia in 2018.

Maple), Jim Sykes (Invisible Things), Matthew Wascovich (Scarcity Of Tanks), and Norman Westberg (Swans) to form the art rock project band Hidden Rifles.

[44] Along with keyboardist Matt Mottel and percussionist Danny Frankel, Watt formed the trio Afternoon Freak and released the album The Blind Strut in 2018.

[46] In 2018, Watt joined with Bucky Pope, John Herndon, Vince Meghrouni, and Pete Mazich to form the project band Tone Scientists.

[47] A 7-inch consisting of a Bucky Pope original entitled "Nuts" and a cover of Sun Ra's "Tiny Pyramids" was released on Record Store Day 2018[48] by Org Music.

[50] Drums are handled by a rotating roster including former Minutemen and fIREHOSE bandmate George Hurley, Hole drummer Patty Schemel, The Secondmen's Jerry Trebotic and The Missingmen's Raul Morales.

[60] In 2021, Watt with percussionist Mike Pride and guitarist Brandon Seabrook formed Three-Layer Cake[61] and released an album, Stove Top, on RareNoiseRecords.

In November 2006, Watt revealed to Pitchfork Media that he recorded for an album by singer Kelly Clarkson, a studio assignment that he took at the invitation of his "old friend", producer/engineer David Kahne.

[73] In October 2018, Watt joined Abby Travis, Keith Morris, Flea, Jennifer Finch, Chip Kinman and others for a spoken word engagement at the Roxy Theatre entitled War Stories: Tales of 70's & 80's Punk Mayhem Told By The Perpetrators Themselves.

[92] The program debuted on May 19, 2001, and became so popular with Watt's fans that the website's host, Sightworks, temporarily forced the show offline on weekdays until a sponsor or other solution could be found.

[98][99] Minutemen fIREHOSE Dos Crimony The Stooges Unknown Instructors Floored by Four Off With Their Heads The Hand to Man Band Anywhere Mike Watt + the Missingmen Il Sogno del Marinaio

Brother's Sister's Daughter Mike Watt and the Secondmen Big Walnuts Yonder Hidden Rifles Afternoon Freak Tone Scientists Jumpstarted Plowhards

mssv Round Eye Three-Layer Cake All solo albums were released on Columbia except where noted: Juliana Hatfield Anywhere Black Moth Super Rainbow Sonic Youth King Champion Sounds Scarcity of Tanks Bernays Propaganda Billions Of Comrades Sun+Dead As a solo artist with Sonic Youth with Sublime with The Jom and Terry Show with Good Charlotte with Cobra Verde (band)