In the Duloc job, interact with the Information Stand Lever

In the Thunderhawk Job, complete the Retro Thrusters first

In the Imperial Knight Paladin job, complete the Tilt Shield and Tilt Shield Purity Seals first

In the Rogal Dorn Battle Tank job, complete the Stowed Shovel first

Complete the Redemptor Dreadnought job

In the Land Raider job, complete the "Ultramarines II" Plaque first

Rescued all Bots in Stellar Speedway.

In the Doc's Time Train job, clean the Flux Capacitor and its Particle Colliders first

Complete the Holomax Theater job

Complete the Clocktower job

Watch the Time Machine reappear

Complete the Doc Brown's Van job