Here is how Wallace turned into a Were-Rabbit in Werewolf vs Werecat Part 2.
Meanwhile, With Yuna and the others.
Lawrence Talbot: Thank you for coming in such short notice, Wallace.
Wallace: Glad to be here, Lawrence.
Tigatron: What's your plan now, Princess Yuna?
Princess Yuna: We have to stop Simone, Lena and Jacques from harming the others.
Princess Skyla: (looking at Serums) Look at all those Serums.
Lawrence Talbot: I've been researching how Were-Monsters were created and I've been saving them for a reason.
9: It's no wonder.
Wallace: Oh, This looks good to drink.
Lawrence Talbot: No, Wallace! Don't drink it!
Wallace: (drunks the serum) What a great flavor of tea. (turns into a Were-Rabbit) WHAT IS HAPPENING TO ME?!?!
Princess Yuna: Wallace! Remember us!
Wallace: (as Were-Rabbit) Huh? AAAAAAAHHHHH!!!!! (runs away)
Thunder Spectrum: Wallace!
Nyx: Come back!!!
Lawrence Talbot: He took the serum of the Were-Rabbit.
Princess Yuna: We gotta find him and help him.
Lawrence Talbot: Yuna, Take this antidote, It will cure Wallace.
Princess Yuna: Thanks, Come on, Nyx, Let's go!
Nyx: I'm with you, Yuna!
Brownie: Talk about Lycan the difference.
Golden Apple: There's no time for puds, We have to go help our friends and family.
Buzz Lightyear: Right, Golden Apple! Let's Move!