Star Wars: Droids (1985)

C-3PO and R2-D2 travel to Biitu with their new master, Mungo Baobab, and confront an Abominor-class droid named the Great Heep, which builds onto itself from the remains of other droids.

After being jettisoned over Ingo by a former master, R2-D2 and C-3PO are discovered by landspeeder racers. They accidentally encounter the Fromm Gang and are helped by Kea Moll.

The droids and racers go with Kea to Annoo to stay with her mother. After realizing they are on a Rebel base, they mount defenses against the Fromm Gang's deadly Trigon One.

Thall and R2-D2 set off to destroy the Trigon One while C-3PO and Kea are attacked by the Fromm Gang.

After escaping the Fromm Gang, the Sand Sloth crash-lands in time for the Boonta Speeder Race. Sise Fromm hires bounty hunter Boba Fett to capture the racers.

During a brief table-waiting job, the droids run into bounty hunter Kleb Zellock. Then they are purchased by miner Jann Tosh and meet a mysterious alien with a bounty on his head.

A new ally, Jessica Meade, transports Prince Mon Julpa, Jann Tosh and the droids to Tammuz-an. A vizier has subverted the throne and hires IG-88 to acquire Julpa's scepter.

Jessica Meade and the droids transport supplies to King Mon Julpa and are escorted by Jann in an A-wing fighter. Kybo Ren and his pirates attack.

Mon Julpa visits a rival to make a peace treaty. Meanwhile, Kybo Ren breaks free from captivity and he takes a hostage to Bogden. It's up to Jann, Jess and the droids to stop him.

The droids accompany Prince Coby to join the Imperial Academy, as well as Jann who is awaiting the results of his own application. They venture across the stars to rescue a stolen pet.

R2-D2, C-3PO and Mungo Baobab are captured by the Empire on the way to the Roon system.

Mungo Baobab and the droids crash-land on Roon and are pursued by the power-hungry Governor Koong.

Mungo and the droids look for a prospecting hermit to learn more about the Roonstones.

Governor Koong releases a deadly biological weapon to kill Mungo Baobob and his friends.