When Stuart's friend Jackson and Ivy's friend Gemma don't like each other, Stuart and Ivy go to great lengths to try to make them get along.
- Dallas Young as Stuart
- Scarlet Spencer as Ivy
- Ishmel Sahid as Clark
- Ron G. as Lewis
- Micah Abbey as Leaf
- Clark is seen with his clarinet. It is first seen in Space Invader and secondly seen in Scammer Time.
- Arthur going viral on YooTube in This Little Piggy Went To Market is mentioned.
- This episode is currently the most watched episode of the series.
- The title may be a reference to the American football team Fearsome Foursome 
- It is revealed Jackson & Gemma had a terrible friendship in the past shown when they had negative emotions.
- Stuart is told to be on a baseball team with Jackson.
- Jackson and Stuart are seen playing PlayStation 3.
- Leaf does two Fortnite emotes. The Swipe It and Wiggle.
|Cousins For Life Episodes|
|Movin' In • Space Invader • Scammer Time • Hot Dog Day Afternoon • This Little Piggy Went To Market • The Fearsome Foursome • Super Ivy • Art-thur • A Farewell To Arthur? • Clothes Call • Those Medal-ling Kids • Green Girl Returns|