Which season(s) was the Technodrome trapped at the bottom of the ocean?

[ToTheNines]

Oh wait... I remember...

https://media1.tenor.com/m/tJO6kM3FePUAAAAC/67-67-kid.gif

[Heyowakka]

https://i.imgur.com/eeVwixD.png

[neatoman]

And which season was it a totally useless thing that didn't really accomplish anything important?
Oh wait, no, that's right. It's every single season.

[Heyowakka]

The Fred Wolf TMNT will outlive us all. Long after we’re dead, they’re still going to be the most well known, recognized and relevant version of the franchise; and there’s nothing you can do about it.
So chill, my guy!

[ZariusTwo]

And which season was it a totally useless thing that didn't really accomplish anything important?

You mean "which forum":)

[sdp]

Cringe.jpg

[ToTheNines]

Cringe.jpg

https://i.pinimg.com/736x/10/d9/26/10d9269bdeb849a00547e3ec2c61a422.jpg