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Intertropolis & Routeville hasn't been released yet until the next decade, but we still give information about the episodes and seasons. Read this article at your own risk as it may contain spoilers.

Season 1 (2021–)Edit

Main article: Season 1
Title Card  Episode Name Production Code Premiere Date Overall
Interstate 48 east to Intertropolis
  
Move to Highway City (Part 1) 101A January 4, 2021 1
I-48 and US 86 are in Ooscondio, California. It is a city for California State Route Shields. They live in a crazy neighborhood full of Californian highway shields who are treating I-48 and US 86 that this is not a city for U.S. Route Shields and Interstate Shields. So I-48 and US 86 find a real estate magazine and commercial showing a city of Highway City, a big city in the Utah/Nevada state line for Interstate and U.S. Route Shields. They decided to move there to have a good, peaceful life.
Interstate 48 east to Intertropolis
Move to Highway City

(Part 2)

101B January 4, 2021 1
I-48 and US 86 are leaving Ooscondio, California and heading to Highway City in Intertropolis, Nevada and Routeville, Utah.
U.S. Route 86 west to Routeville
Houses & Condos 102A January 5, 2021 2
I-48 and US 86 travels to Highway City to find a place they can live. But I-48 wants to live in a condo while US 86 wants to live in an apartment.
Interstate 48 east to Intertropolis
The Main Highways 102B January 6, 2021 3
I-48 stays in Intertropolis to meet the Main Highways of the Interstates while US 86 goes to Routeville to meet the Main Highways of the U.S. Routes.
U.S. Route 86 west to Routeville
Restaurant Decency 103A January 7, 2021 4
I-48 and US 86 try to find a decent restaurant around the city to eat at. They found out that there are two restaurants: one in Intertropolis, one in Routeville.
Interstate 48 east to Intertropolis
A Highway With No Curves 103B January 8, 2021 5
I-48 heard that there is a highway nearby bordering and separating Intertropolis and Routeville called Town Separator.
U.S. Route 86 west to Routeville
The Highway City Fair 104A January 11, 2021 6
I-48, US 86, and their friends are going to the city fair. Elsewhere, I-95 and I-75 head to Florida to watch the baseball game.
Interstate 48 east to Intertropolis
We Can Travel 104B January 12, 2021 7
All the major highway signs with US 86 and I-48 travel to all cities in the west.
U.S. Route 86 west to Routeville
Interstate Jammed 105A January 13, 2021 8
I-48 and US 86 are stuck in traffic on Interstate 48 on their way to their couple date meeting.
Interstate 48 east to Intertropolis
Interstate Band 105B January 14, 2021 9
I-65 goes to the concert with I-48 and US 86 to meet her band idol called the New England Interstates.
U.S. Route 86 west to Routeville
Sisters First, Brothers Last 106A January 15, 2021 10
I-21 and I-23 start a bet that if who can spend 48 hours without doing their favorite activities.
Interstate 48 east to Intertropolis
Routie Crush 106B January 19, 2021 11
US 47 develops a crush on a male U.S. Route shield at school but immediately gets nervous.
U.S. Route 86 west to Routeville
Interstation 107A January 20, 2021 12
I-48 and US 86 wants to ride the skyway that travels Interstate 48.
Interstate 48 east to Intertropolis
Relationship Thru Dateville 107B January 21, 2021 13
I-248 and US 389 go on a date at the most expensive fanciest restaurant in Highway City.
U.S. Route 86 west to Routeville
Jokerstate 108A January 22, 2021 14
I-75 is having a hard time coming up with jokes, so he needs I-50's creativity to help him laugh.
Interstate 48 east to Intertropolis
Beltway's Drive 108B January 25, 2021 15
I-48 and US 86 drives on Interstate 248, a beltway that surrounds Highway City.
U.S. Route 86 west to Routeville
Let's Crash In 109A January 26, 2021 16
US 389 and US 47 spends a day and night in I-248, I-21 and I-23's castle until their castle is cleaned up.
Interstate 48 east to Intertropolis
Interstate Workers 109B January 27, 2021 17
I-48 and US 86 become construction workers for community service to earn money to get their car out of the impound. But things get complicated when they get separated from each other and turns out worse.
U.S. Route 86 west to Routeville
Major Record Loyalty 110A January 28, 2021 18
I-48 and US 86 realize that they don't have to hang out with each other around town all the time. 
Interstate 48 east to Intertropolis
Hi-95 110B January 29, 2021 19
I-95 needs help from I-48 and US 86 on logging into her video chatting social network account.