Toupou/Tupu

Here it have Tupu once at the end in "Tupu on Vacation"

And other characters including Shelley and Linda appear earlier in "One for All, All for One" (gymnastic) and "Treetop Adventures"

Atomic Betty

Ah well. I've seen in season 1 earlier, there's no swimsuit scenes. But then in season 2, still. And there's only two in this season. So what about Penelope? Not on the first two season, the best thing that finally was in season 3! She appears in four episodes. The third season (Atomic Betty: Mission Earth) didn't found in high quality and marbleKids won't upload the rest, there was the same old Teletoon TV rip has, uploaded by TheStormMage on YouTube. So here you go.

Betty Barrett: "Bracelet Yourselves", "The Strange Case of Minimus-Hyde", "Betty and the Beast", "Beach Blanket Betty", "Ice Queen"

Penelope Lang: "Betty and the Beast", "Mirror of Morganna", "Beach Blanket Betty", "Ice Queen"

Megan: "Bracelet Yourselves", "Betty and the Beast", "Beach Blanket Betty", "Ice Queen"

Sarah: "Bracelet Yourselves", "Betty and the Beast", "Beach Blanket Betty", "Ice Queen"

Paloma: "The Strange Case of Minimus-Hyde"

Regeena Peterson: "Ice Queen"

Other/background characters: "Arr! It is 'olidays!", "Betty and the Beast", "Ice Queen"

"Bracelet Yourselves"

"The Strange Case of Minimus-Hyde"

"Arr! It is 'olidays!"

"Betty and the Beast"

"Mirror of Morganna"

"Beach Blanket Betty"

"Ice Queen"