After Stanley Livingston brings them to the Megapolis Zoo, Tennessee and Chumley find a job outside the zoo as mechanics. Their first customer is Rocky Maninoff who warns them to repair his car or else. Tennessee takes advice from a newspaper ad to see Phineas J. Whoopee to learn how cars work.

Tennessee and Chumley get jobs as weathermen. A farmer demands they make rain for his cauliflower crops or he will use his shotgun on them. Tennessee and Chumley turn to Phineas J. Whoopee on how to make rain.

Tennessee and Chumley learn how lights work when darkness keeps Tennessee from reading his book.

Tennessee wants to have a telephone in each animal's quarters after carrying a message to the animals about Stanley's upcoming piano recital. Tennessee and Chumley turn to Phineas J. Whoopee to learn how a telephone works.

When Stanley Livingston wants to obtain a giant clam for the Megapolis Zoo, Tennessee and Chumley sneak out of the zoo to obtain one for him. Tennessee and Chumley visit Phineas J. Whoopee to learn where they can find a giant clam and how diving equipment works.

The Megapolis Zoo receives a clock tower. Chumley accidentally shoots an arrow at the clock and Stanley Livingston orders Tennessee and Chumley to remove the arrow. Tennessee and Chumley learn how clocks work from Phineas J. Whoopee.

The Megapolis Zoo receives a statue of Stanley Livingston that will be dedicated to him tomorrow. When Chumley accidentally wrecks it, Tennessee and Chumley turn to Phineas J. Whoopee on how to make a statue.

Tennessee and Chumley get jobs as photographers. Their first job is to take a picture of the Mayor of Megapolis for his poster. How do cameras work? Tennessee and Chumley turn to Phineas J. Whoopee to teach them.

When ordered by Stanley Livingston to spread the news to the other animals about an upcoming event, Tennessee and Chumley turn to Phineas J. Whoopee for ideas on other ways to do so. Phineas ends up telling them about newspapers.

When Jerboa Jump arrives at the zoo, Stanley Livingston arranges for some archaeologists to make a trip to Mexico to find artifacts to go with Jerboa's exhibit. Tennessee and Chumley learn about the Aztecs from Phineas J. Whoopee.

Tennessee and Chumley assemble a stovepipe oven to heat their quarters. They learn how coal is obtained from Phineas J. Whoopee.

When ordered by Stanley Livingston to spread the news of the town picnic at the Megapolis Zoo, Tennessee and Chumley, having already tried telephones and newspapers, turn to Phineas J. Whoopee for other ideas. Phineas tells them about hot-air balloons.

During a drought, Tennessee tries to figure out how to get water to his watermelon crops. Meanwhile, Stanley Livingston is warned by the Chief of Police not to waste water during the drought on pain of arrest.

Tennessee and Chumley get jobs as TV repairmen. Their first customer is Rocky Maninoff, who orders them to repair his television, or else. Meanwhile, the Chief of Police gets word from Stanley Livingston that Tennessee and Chumley have escaped from the zoo.

After getting knocked out, Tennessee dreams he is to be the first astronaut penguin to take a rocket to the moon.

In a follow-up to "Coal Minors," the tunneling that Tennessee and Chumley did for their coal mine has caused the foundation of Stanley's office to settle to one side. While Stanley and Flunky go into town to find someone to build a new foundation, Tennessee tries to straighten the foundation. When nothing seems to work, Tennessee and Chumley go to Phineas J. Whoopee for help.

Tennessee and Chumley get jobs as bridge builders. Rocky Maninoff wants them to build a bridge following his gang's bank robbery, or else.

Tennessee receives a dog named Howler from his uncle and tries to hide him from Stanley Livingston. To make a new home for Howler, Tennessee and Chumley call on Phineas J. Whoopee, who advises them on building Howler a house near a lake in Megapolis Woods.

Tennessee and Chumley go up against Jerboa Jump in a yacht race to determine who will end up leading the Zoo's Yacht Club.

Tennessee dreams that he, Chumley, Yakkety and Baldy are at a fort headed by Stanley Livingston that keeps suffering Indian attacks. Tennessee and his friends must find a way to warn the fort of approaching Indians.

Upon hearing Jerboa Jump brag that he has been in a rocket, Tennessee and Chumley visit Phineas J. Whoopee to learn how rockets work.

After Stanley has a steam locomotive put in the zoo to take children for rides, Tennessee tries to prove he can operate it as well... and proceeds to wreck it while Stanley is away. Phineas J. Whoopee explains how locomotives work.

A new animal named Tiger Tornado appears to be a narcoleptic, but he becomes a fierce fighter at the sound of a boxing-ring bell. Jerboa Jump teams up with Tiger and the two make the other zoo animals kowtow to their wishes. Tennessee and Chumley consult Phineas J. Whoopee on how to defend themselves.

In a follow-up to "Howl, Howl, the Gang's All Here," Stanley has problems with Howler the Dog when he mistakes the Mayor of Megapolis for an attacker. Stanley and the Mayor warn to Tennessee control Howler or the Mayor will have Howler detained. They consult Phineas J. Whoopee about dog training.

Chumley has a toothache and Tennessee tries various ways to get rid of the tooth. When one of the attempts ends up breaking Stanley Livingston's motor scooter, Tennessee and Chumley escape from the zoo and see Phineas J. Whoopee about how to deal with a toothache.

Tennessee and Chumley need honey from the bears of the Bearville section of the Megapolis Zoo.

Tennessee and Chumley hear about the treasure of Jack the Joker hidden somewhere in the Megapolis Zoo, but Stanley Livingston does not allow digging on zoo grounds. They learn about compasses.

Tennessee, Chumley, and Baldy form their own folk band for Stanley Livingston's music show, but Stanley wants only hit artists for it. Tennessee and Chumley turn to Phineas J. Whoopee to learn how they can make a recording and become stars.

Tennessee and Chumley find a map that to a gold mine and turn to Phineas J. Whoopee to learn how to get there. They learn about gold.

During a heat wave in Megapolis, Tennessee and Chumley's plans to leave the zoo to get fans for the animals are repeatedly thwarted by Stanley Livingston and Flunky. Tennessee and Chumley recall the time they asked Phineas J. Whoopee about how helicopters work.

Tennessee's friend Freddy Cat inherits an oil field that is supposedly haunted, and Jerboa Jump tries to scare Freddy into selling him the land cheaply. They learn about oil drilling.

When Rocky Maninoff pulls off a bank robbery and escapes by airplane, the money falls into the Lost Mountains. Tennessee Tuxedo and Chumley answer his ad and are forced to parachute down to recover the stolen money, or else. They learn about parachuting.

Tennessee and Chumley start a laundry service in the Megapolis Zoo at the same time that Stanley Livingston and Flunky are assembling a tool shed.

Tennessee and Chumley become private detectives. Hotel manager Mr. Hothead hires them to deal with the robberies committed by Slippery Hood, who has eluded every hotel detective. In order to get a better stake-out on Slippery Hood's hotel room, Tennessee and Chumley turn to Phineas J. Whoopee, who tells them about telescopes.

Tennessee competes against Jerboa Jump in the finals of a bowling tournament. Jerboa tricks Tennessee into thinking that something is wrong with his eyes and gives him glasses made from the bottoms of glass bottles. Phineas J. Whoopee explains to Tennessee how the eyes work.

Tennessee and Chumley go into the movie-making business. They turn to Phineas J. Whoopee for advice on filmmaking.

Eager to cash in on the skiing craze, Tennessee and Chumley try various schemes to turn the hill at the zoo into a ski slope.

Tennessee is convinced a radio quiz show is going to call him for an upcoming cruise prize, so he goes about trying to steal Stanley's radio and eventually learns how to make his own radio.

Chumley looks like a local millionaire. Tennessee has Chumley impersonate the moneyed one when Chumley gets amnesia and starts to think that he is the millionaire.

Tennessee and Chumley get jobs at Stonecutter's Jewelry Store. Mr. Stonecutter tells them that they must protect the diamonds or they will go to jail. Rocky Maninoff robs the store and hides out on a ship. While being pursued by the ship's crew, Tennessee and Chumley run into Phineas J. Whoopee, who tells them about diamonds.

When Tennessee and Chumley are ordered by Stanley Livingston to get back the rare coin with which they accidentally paid the paper boy, they trace the coin's path to a bakery and then to a cookie from that bakery that Chumley ate. How shall they recover the coin? Tennessee and Chumley turn to Phineas J. Whoopee, who tells them about x-rays.

A reporter from the Megapolis Tribune approaches Tennessee to ask him about his feuds with Jerboa Jump. Tennessee tells him about the feud between the Tennessees and the Jerboas, which old Phineas Whoopee was called in to resolve.

Tennessee is tired of eating fish all the time and wants to grow a vegetable garden, much to the objection of Stanley Livingston. Tennessee manages to get the Mayor's wife on his side, and Tennessee and Chumley ask Phineas J. Whoopee for advice on growing a vegetable garden.

Tennessee and Chumley get a platypus for a roommate and deny him access to the pool. When the platypus leaves the zoo and they are ordered by Stanley Livingston to get the platypus back, Tennessee and Chumley turn to Phineas J. Whoopee for help and learn that the platypus lives in Australia.

Tennessee and Chumley get jobs as police officers. They learn about being police officers.

Phineas J. Whoopee gives Tennessee and Chumley some advice on fitness when Jerboa Jump challenges Chumley to a boxing match against Tiger Tornado.

Tennessee and Chumley get involved with gangsters who pose as bankers, trying to get a stolen safe open, so they learn about locks.

Tennessee and Chumley try painting the Zoo, waste it all, learn about making paint, and do a beautiful job covering a building with clay. They learn about paint.

Upon escaping to the docks, Tennessee falls asleep and has a dream wherein he is the admiral of a ship ordered by the Queen to go after some pirates. They learn about navigation.

Tennessee and Chumley escape from the zoo in order to join the circus. They learn how a calliope works.

Tennessee and Chumley get jobs as plumbers. Their first customer is Rocky Maninoff, who wants them to fix a leaky pipe in his hideout before he returns from his bank robbery, or else. Tennessee and Chumley turn to Phineas J. Whoopee to learn about plumbing.

Stanley Livingston orders Tennessee and Chumley to guard the new dinosaur exhibit. Unfortunately, Howler gets in and dismantles the dinosaur skeletons. They learn about dinosaur bones.

Tennessee and his friends, Chumley and Yak, start a flying service. Their first customer is Rocky Maninoff, who wants them to fly him to safety after a bank job, or else. They learn about flying a plane.

When Chumley's teddy bear goes missing, Tennessee turns private eye in order to find it. They learn about fingerprints (dark and light surfaces).

When ordered by Stanley Livingston to clean the medieval exhibit at the museum, Tennessee is knocked unconscious by a fallen suit of armor and dreams that he is a knight fighting a dragon. Tennessee learns about steel.

The boys, Tennessee and Chumley set up a printing press. Their first customer is Rocky Maninoff, who wants them to print counterfeit money for him, or else. They learn about printing.

Tennessee is putting on a play about the Pilgrims called The Romance of Plymouth Rock. Jerboa Jump and Tiger Tornado plan to join the play as Indians so that they can sabotage it. When Jereboah claims that the Indians were not friendly to the Pilgrims, Tennessee calls in Phineas J. Whoopee for help on the history of the Pilgrims.

Phineas J. Whoopee advises Tennessee and Chumley on how to be in shape for the Zoolympics.

On Christmas Eve, Stanley Livingston orders Tennessee and Chumley to guide the arriving tree trimmers to the Christmas tree. Tennessee and Chumley trim the tree with the help of Yakkety and Baldy until the ornaments are destroyed. Tennessee and Chumley ask Phineas J. Whoopee for help on making ornaments.

Following a trick-or-treating on Halloween, Tennessee eats too much candy and dreams that he is in a haunted forest with an evil witch and her goblin servants. They learn about maple syrup.

Wanting ice skates, Tennessee Tuxedo, and his friends, Chumley, Yak, and Baldy try producing an ice show for Sewonya Button (Yak's cousin), but need to learn how to build a rink first.

Washington's Birthday celebration causes the friends to try putting a Liberty Bell decoration atop a zoo tower. They learn about elevators (cab, pulley, counterweight).

Tiger, wanting a better life, pretends to be an extraterrestrial, forcing Tennessee & Chumley into servitude. They learn about spacemen.

Tennessee's cousin Percy is coming to visit. Needing money to fix up their place, the friends rent to Big Bill Bailey with a crafty four-week lease. They learn about leases and contracts, and ultimately learn that Percy can be a demanding guest.

Tennessee buys a barber shop and he and Chumley go to work as barbers. They get Rocky Maninoff as a customer, who wants them to make him a new man, or else. Tennessee and Chumley turn to Phineas J. Whoopee for help in haircutting and applying specific make-up.

The guys learn about termites that are causing the trees holding their hammock to fall. They learn about termites.

An employment agency promises jobs to the pair, but they manage to fail at all of them.

Yak and Baldy build robots to do their work. Tennessee and Chumley turn to Phineas J. Whoopee, who tells them about hearts.

The guys build a car for an auto race, and decide to make and sell copies of the car to pay the entrance fee. They learn about production line manufacturing.

Chumley falls in love and Whoopee tries teaching him about the finer points of etiquette and deportment.