There are a few scenes where they come close to kissing, but they always pull away at the last moment:
* Season 1, Episode 16 "Tori the Zombie": Cat and Beck are about to kiss, but Tori interrupts them.
* Season 2, Episode 6 "The Bird Scene": Cat is about to kiss Beck, but Robbie stops her.
Even though they never officially kiss, their chemistry and playful interactions suggest a strong connection, leaving room for fan speculation about their potential romantic future.