Sonic the Hedgehog, Vol. 20: Cause & Effect
#20 of 21 in Sonic the Hedgehog (IDW) Series
What’s inside...
Collecting issues #76–80 of IDW’s ongoing Sonic comic, Vol. 20 drops readers into the immediate aftermath of Dr. Starline’s downfall. Sonic and friends must confront the ripple effects of past choices as Eggman’s looming Eggperial City expansion threatens global stability. The Diamond Cutters—Tangle, Whisper, Lanolin, and Belle—launch a stealth mission deep behind enemy lines while Sonic, Tails, and Amy tackle a series of chaos-powered anomalies. Meanwhile Surge and Kit resurface, bent on proving their independence at any cost. Interlocking story lines explore accountability, teamwork, and how even the smallest action can spark unexpected consequences.
Character compass
Sonic The Hedgehog
Kitsunami "Kit" The Fennec
Miles 'Tails' Prower
Amy Rose
Dr. Ivo "Eggman" Robotnik
Surge The Tenrec
Discussion points
Which character learned the biggest lesson about cause and effect?
How did teamwork change the outcome in Eggperial City?
What might Surge have done differently to feel heard?
Where have you seen small choices create big results in real life?
Tip: Role play these questions
Use a whiteboard to map decisions and outcomes.
Ask kids to design their own Diamond Cutter badge representing a personal strength.
Key lessons
Example Lesson: Accountability
Explanation: Surge must face fallout from reckless actions.
Real-World Application: Admit mistakes and make amends at school or home.
Example Lesson: Teamwork
Explanation: Diamond Cutters succeed only by combining talents.
Real-World Application: Collaborate on group projects instead of competing.
Example Lesson: Perseverance
Explanation: Sonic pushes on despite exhaustion to protect others.
Real-World Application: Finish homework even when it feels tough.
Example Lesson: Critical Thinking
Explanation: Tails tracks energy anomalies to predict Eggman’s plan.
Real-World Application: Analyze problems and test solutions logically.