Bob the Builder (1999)

S7E3 Trix and the Otters

Title: Trix and the Otters Plot: While exploring by a stream, Molly spots a playful family of otters. Eager to join the fun, Trix hopes to catch a glimpse as well, but the otters become frightened by a large, glimmering machine nearby. Muck comes up with a clever plan to help them observe the otters without causing any alarm.