Complex sentence: Like Dick in Season 1, Tim is forbidden from revealing his secret identity to the team (wearing concealing sunglasses when out of costume) but it appears by the finale that everyone has become aware of his identity.
Split into simpler sentences: Like Dick in Season 1, Tim is forbidden from revealing his secret identity to the team (wearing concealing sunglasses when out of costume). It appears by the finale that everyone has become aware of his identity.