Not feeling unique, Lisa signs up for the Mars One Space Colony – to Marge's dismay. Then, Marge hires Bart to go through the tryout process with Lisa to make her want to quit.

After getting into an argument, Marge takes Lisa on a touristy trip to Capital City, where, after attending a musical, they meet the show's star, Andrew Rannells (guest-voicing as himself), who reminds Lisa how lucky she is to have such a great mom. Meanwhile, Bart is frustrated that everyone expects his pranks, so he teams up with Maggie to trick people. Blackboard: Features Principal Skinner writing 'Never loose a bet to Bart Simpson' while Bart watches.