As the house turns on Thomas amidst his revelation that he wasn't sure what to expect from Bachelorette Katie Thurston initially but is now falling in love with her, a new arrival from Tayshia's past -- Blake -- seems to be interested in pursuing Katie as well. Will he join the house? Watch 'The Bachelorette' 2021 MONDAYS 8|7c on ABC, streaming, on demand, and Hulu.