In order to impress a girl, Danny does some tricks with an invisibility gadget from Pluto. Unfortunately, the "side effects" start catching up with him back on earth.
The Partridges' show in Texxas is a lifetime engagement, according to Texx Comet, owner, Mayor, sheriff, and cattle-rustler of the island, "Texxas".
Danny's unfinished invention throws a spray of sparks on Keith, shrinking him to pint size.
An electronic voice changer transforms Cousin Sunspot into a tolerable member of the Partridge Family act, until its side effects appear.
Two interplanetary thieves rob Madame Mussaud's Wax Museum of its new Partridge Family figurines, aiming to create a duplicate Partridge Family act and make a fortune on other planets.
With Danny's coaching, Orbit eludes the town dog catcher by disguising himself as a janitor, a dancer, and bass drum in order to avoid paying for a dog license.
Crumbling every cake sold at a Charity Bazaar fails to turn up the ring Shirley lost while baking.
In order to get out of their obligation to take Laurie to the Harvest Ball Keith and Danny arrange for a computer date, which arrives as a clumsy robot named Stanley Steel.
Danny's newest invention crash lands the family rocket in Hollywood, where Keith is drafted to replace the star of a movie where success goes to his head.
Laurie's new boyfriend cancels their date, giving her cause to write him an angry letter. He later calls with a good excuse, but only after Danny has mailed the furious letter.
Orbit's career as a genius on a TV quiz show is short circuited when he is stolen by a two-headed foreign agent named Mr. Gemini.
When Danny pulls the lever on Dr. Binkey's Molecular Transformer, Keith and a gorilla switch bodies.
Danny tries to keep Shirley and Ruben from finding out he did not make the spaceball team.
Danny takes Keith's rocket out for a wash with disastrous events.
Danny's get-rich scheme of raising cute interplanetary pets called Roobits backfires when they reproduce at an alarming rate.
While helping with the housecleaning, Danny unknowingly disposes of a priceless antique entrusted to Shirley for safekeeping. When it is returned broken, the whole family becomes stuck together by a new super-glue.
