Jimmy defeating Kasimar in two different challenges.
The grand finale for both Total Drama Letterz and Total Drama Letterama, naturally.
Tabitha rescuing Yessica and Uzuri from the fire.
During the Megaman Challenge, when Spider was all alone with Nakia, he gives her an epic Reason You Suck Speech. All of that bought Barney enough time to gum up Nakia's hair.
VayVay taking out Kasimar/ Pokey, after he stabbed Paul.
The leadup to Kim being disqualified. And Sasha Falcon PUNCHING Kim afterwards.
This requires explanation: Lankston tricked Kim into giving up her immunity idol. Then, Lankston reveals to Spider that Kim was the one responsible for Kasimar burning the Mess Hall. And none of the others learned about this for qute some time. Rescued from the Scrappy Heap, indeed, Lankston.
Winnie taking down Sasha during the mudwrestling tiebreaker.
In a disturbing way, Nakia finding Wallace's Death Widow and coming up with a horrific plan for her fellow contestants.
Rheneas and Lankston spend most of the merge fighting just to survive to the next round due to being in the minority. Lankston makes 5th, and it took a medivac to take him out and Rheneas makes the final two, losing only at the last second, and had a large lead on Vayvay.