It's hard to overstate the impact Gundam has had not just on anime but on pop culture worldwide. As the single most prolific mecha anime franchise, Gundam is responsible for cementing giant robots in the collective human subconscious. Thanks in no small part to relentless merchandising, Gundam has successfully made space opera mainstream in Japan in the same way Star Wars has in the West.
Source：https://www.cbr.com/gundam-every-anime-chronological-order/
