Episodes suggesting a friendship
- In Take the Plunge: Part 1, when given the chance to speak, Rocky called Tennis Ball his "good ole’ friend".
- In Take the Plunge: Part 2, when asked by Pin, Rocky chose Tennis Ball to be on his team.
- In Insectophobe's Nightmare, Rocky chose Tennis Ball on his team first.
- In Get in the Van, Tennis Ball wanted Rocky to win the prize, saying that he wanted Rocky's barf back because he thought that it was cute.
Episodes suggesting a conflict
- In Take the Plunge Part 1, when Rocky spoke to Tennis Ball, he seemed a bit annoyed.
- In Are You Smarter Than a Snowball?, after Tennis Ball said Rocky should learn how to write with his legs, Rocky kicked him, and seemed happy as Tennis Ball rolls away.
- In A Leg Up in the Race, Tennis Ball seemed happy when Rocky lost 15 points.
- However, this was probably because of how Tennis Ball normally looks when in an idle position.
- In Welcome Back, Tennis Ball wanted Barf Bag to be the first one to leave the Locker of Losers, so she could finally contain Rocky's vomit.