Welcome Back, Kotter (1975)

S1E18 Dr. Epstein, I Presume

Juan has a deep passion for animals and dreams of becoming a veterinarian. However, a guidance counselor discourages him from pursuing this path. His aspirations take a turn when he is faced with a crisis involving his pet hamster, prompting him to carry out an urgent surgical procedure. This unexpected experience reignites his determination to follow his dreams.