It’s a beautiful day in this neighborhood to stay indoors and watch tv. Streaming site Twitch will air all 886 episodes of the lovable series, ‘Mister Rogers’ Neighborhood.’ The marathon is free, but the stream will feature a donation panel where viewers can send money to local PBS stations. Twitch Director of Business Development Jane Weedon The marathon will begin on May 15th at 3 p.m. ET and will last for 18 days.