Question: when does toby come back to the office
Answer: '' For Toby 's going away party in `` Goodbye Toby , '' Michael gives him as a gift a rock with a note attached reading `` Suck on This ! '' Shortly after arriving in Costa Rica , Toby suffers a zip - line accident and midway through season 5 , he returns to his old job at Dunder Mifflin , much to Michael 's fury .