Episode 4502 - Bert's Training Wheels Tuesday September 16, 2014 Bert and Ernie go for a bike ride, but Bert falls and breaks one of his training wheels. Luis tries to fix the bike but realizes he’s missing a part for it. Ernie and Luis encourage Bert to try and ride without his training wheels, but Bert insists that he needs them. Will Bert have the courage to ride without the training wheels? Subject: Self-Regulation Brought to you by: I & 2 Word on the Street: Repair – To fix something. If you've seen "Bert's Training Wheels" please like this post and share your thoughts below.