|Directed by||Mark Walsh|
|Produced by||Kim Adams |
|Written by||Mark Walsh |
|Story by||Mark Walsh|
John Lasseter 
|Music by||BT |
|Edited by||Axel Geddes |
|Distributed by||Walt Disney Studios|
Motion Pictures (theatrical release)
Disney-ABC Domestic Television (television distributor)
|7 minutes |
Toy Story Toons: Partysaurus Rex is a 2012 Pixar computer animated short film, which was directed by Mark Walsh. It was first screened in theaters ahead of the 3D theatrical re release of Finding Nemo. Partysaurus Rex is the third and final short in the trilogy of Toy Story Toons, based on the characters from the Toy Story feature films. The short involves Rex getting left in a bathroom, and making new friends with bath toys.
Rex disrupts the other toys blowing soap bubbles, worried that they may ruin Bonnie's house. He is chastised by the other toys, with Mr. Potato Head calling him "Partypooper Rex". The other toys sense Bonnie approaching, and scatter, leaving Rex alone when she enters. She takes him to play with, while she takes a bath, until Bonnie's mother comes to turn off the bath, pull out the plug, and take her out to go to her grandmother's house.
The bath toys are happy to see Rex, but soon the water gets drained, leaving them on dry land. Sad, the bath toys wish that they could continue to have fun, but all of them lack arms (except Rex) and can only function if afloat in the water. Rex initially thinks drawing a new bath is a bad idea, but after recalling Mr. Potato Head's insult, he asserts that he is "Partysaurus Rex", and helps the bath toys to start a new bath.
The toys quickly start to sing and dance, in a rave like fashion, aided by a carefree Rex, throwing a bubble bath solution into the tub, and blocking the overflow drain, with a frog sponge. However, he suddenly realises that if the tub overflows, the water will leak out into the hall. Rex tries to turn off the water, but only causes the handle to fall off, and the drain stays plugged, when he tries to pull it out.
Finally, he spots the knob on the faucet that stops the flow from it, but realises that this only diverts the water to the showerhead. The tub starts to overflow, but the other bath toys are unconcerned about the problem and continue to party. Outside the bathroom, Woody, Buzz, and some of the other toys arrive to check on Rex, when the bathroom door suddenly bursts open, and a flood of water pours out.
Later, Bonnie's mother is paying to have plumbing repairs done to the house. Though he knows it was his fault, Rex enjoys the short lived fame with the other toys in Bonnie's room, as Mr. Potato Head is still getting the water out of himself. Outside, several pool toys have heard of Rex's exploits from the bath toys, and get him to agree to help turn on the outside faucet, to let them party as well. Rex quickly joins in on their fun.
- Tom Hanks as Woody
- Tim Allen as Buzz Lightyear
- Corey Burton as Captain Suds
- Tony Cox/Don Fullilove as Chuck E. Duck 
- Wallace Shawn as Rex 
- Emily Hahn as Bonnie
- Don Rickles as Mr. Potato Head
- Lori Alan as Bonnie's mom
- Estelle Harris as Mrs. Potato Head
- John Ratzenberger as Hamm
- Mark Walsh as Drips
- Timothy Dalton as Mr. Pricklepants 
- Joan Cusack as Jessie 
- Sherry Lynn as Cuddles
- Lori Richardson as Babs
Electronic artist BT composed the music for the short. He said in an interview: "I'm in the middle of scoring a film for Pixar right now. It's a short for Toy Story, and I'm not allowed to say the whole story, but quite literally, it's like a Toy Story rave, and I'm actually not kidding either.
Like, the toys get into all these shenanigans and it's like pounding club music, this thing. So it's really not very Pixar, but in like a really hysterical way, everyone laughs so hard when they see it. It's really exciting to work with those guys." A song inspired by the short, titled "Partysaurus Overflow" and produced by BT and Au5, was released as a digital download on November 19, 2012, on iTunes and Amazon.
Partysaurus Rex premiered with the 3D theatrical re release of Finding Nemo, on September 14, 2012. It had its television premiere on October 8, 2012, on Disney Channel, and was available for video streaming to the internet, via Disney's website, on October 10, 2012. As of October 2020, the short is also available on Disney+, iTunes, Amazon and YouTube.
The short made its home video debut as a special feature on the 3D Blu Ray, and updated Blu Ray release of Monsters, Inc., which was released on February 19, 2013, except for the regular disc on Blu Ray, for the United Kingdom. It is also on the Blu Ray and DVD of Toy Story of Terror!, released on August 19, 2014. It is also featured on the Pixar Short Films Collection, Volume 3 Blu Ray and DVD. released on November 13, 2018.
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- Breznican, Anthony (August 9, 2012). "FIRST LOOK: Pixar dives deep in new bath time 'Toy Story' short -- EXCLUSIVE". Entertainment Weekly. Retrieved August 9, 2012.
- Graff, Gary (March 1, 2012). "BT's Busy 2012: Mix Set, 'Quiet' EP & a Follow-Up to 'Machines'". Billboard.com. Retrieved April 11, 2012.
- armaniexchange (March 23, 2012). "A|X:TV PRESENTS: THE DJ INTERVIEW SERIES - BT". Youtube. Retrieved April 11, 2012.
- Bastoli, Mike (November 19, 2012). "Partysaurus Overflow Available for Download". Big Screen Animation. Retrieved November 20, 2012.
- Boylan, Rob (October 8, 2012). "Pixar's "Partysaurus Rex" on Disney Channel's "Toy Story Toons" Tonight". Orlando Weekly. Archived from the original on February 1, 2013. Retrieved October 8, 2012.
- Robinson, Tasha (October 10, 2012). "Sear your eyes with the cute new Toy Story short, "Partysaurus Rex," online for free". The A.V. Club. Retrieved October 11, 2012.
- "All the Pixar Movies, Shorts, and Shows on Disney Plus". IGN. Retrieved November 14, 2019.
- "Toy Story Toons Partysaurus Rex". iTunes. Retrieved October 12, 2012.
- "Partysaurus Rex (Short)". Amazon. October 25, 2012.
- "Partysaurus Rex". YouTube. Retrieved October 25, 2012.
- "Monsters, Inc. 3D Blu-ray Detailed". Blu-ray.com. January 4, 2013. Retrieved January 6, 2013.
- Kendrick, Ben (September 17, 2012). "Ellen DeGeneres in 'Finding Nemo 3D': Is it worth seeing in its new format?". The Christian Science Monitor. Retrieved October 12, 2012.
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