The New Adventures of Lassie - Season 2 Episode 4 Maiden Flight
Overview: It's Harvey's birthday and his mother offers him his maiden flight in a hot-air balloon. Of course, Harvey instantly thinks to invite Zoe along to share his dream-come-true! While Harvey is over the moon, Zoe is afraid and she shares her fear of flying with Lassie. She cannot however bring herself to confess her fear to Harvey and runs away just before take-off.