It's the 19th sequel of the series from Super Sentai right after Chouriki Sentai Ohranger which is the 18th sequel. If you would like to watch the super sentai series chronologically.
It's the 20th sequel of the series from Super Sentai right after Gekisou Sentai Carranger which is the 19th sequel. If you would like to watch the super sentai series chronologically.
Both have a five core team with the same color pallet
Both are fighting inter galactic beings wishing to destroy earth
Both have the same composer
Both star Yuji Kishi
It's the very first Super Sentai series what made many of it's successors possible. If you want to watch the original first season of the Super Sentai series. Gekisou Sentai Carranger is the 20th Season.