DEATH BATTLE: Optimus Prime VS Dino Megazord

Transformers vs Power Rangers

It's transformin' time as two robotic defenders of Earth collide!

Connections:

Both are giant robots from 80s and 90s TV shows who defend Earth by teams they led (Autobots and Mighty Morphin' Power Rangers respectively) by an evil tyrant (Megatron and Rita Repulsa respectively) and their armies bent on conquering Earth (Decepticons and Evil Space Aliens respectively)

Both use an energy source (Energon and Morphin Grid respectively) that they used to fight evil

Both are owned by Hasbro

Both also had comic books published by IDW Comics

Both are also an American adaptation that came from Japan (Transformers originally being japanese toys made by TakaraTomy before Hasbro bought them and Power Rangers took stock footage from the Super Sentai franchise to incorporate American culture and conform to American television standards)