Mia and Me (2012)

S1E18 King for a Day

Mia, Vincent, and Paula head out for ice cream, where they encounter a charming young prince who strikingly resembles Mo. As the prince shows interest in Mia, Vincent struggles to mask his intense jealousy. Meanwhile, in Centopia, Mo has been entrusted with an exciting responsibility: temporarily ruling the kingdom while the king and queen recover from the flu. However, when Mia and Yuko find themselves trapped by Gargona and her minions, Mo must abandon his royal duties to rescue them and ensure their safe return.