- The ending of "Cold Steel" with Gemini Man, Gyro Man, and Spark Man declaring each other friends.
- Mega Man and future Proto Man's conversation in "Future Shock".
- Proto Man and Snake Man saving Roll in "Robosaur Park".
- Ring Man and Magnet Man taking Proto Man out on the town in "Robosaur Park" and their conversation with him. Doubles as a Crowning Moment of Funny.
"You're a good kid, Proto."
- Mega Man and Time Man becoming friends in "The Mega Man in the Moon".
- Wily regaining consciousness and comforting an anxious Proto Man in "20,000 Leaks Under the Sea".
- Proto Man's general behavior towards his sister Roll counts as this, as she is one of the few people towards whom Proto shows (in his own way) patience and affection.