Thanks to GameShowFollies, the daytime schedule changes and weekend schedule changes on April 21-27 from here are confirmed plus there are additional changes involving American Bible Challenge, Minute to Win It (Ohno) and Mind of a Man later in May.
April 28-May 4
Besides the daytime changes, American Bible Challenge returns for its third season Thursday, May 22nd from 8-10pm with Steve Harvey's Family Feud as a lead-in, lead-out. American Bible Challenge reruns will also air Thursday late night at 11pm and 12am, Saturday afternoon at 4pm and 5pm, Sunday at 11am and 12pm and Sunday night at 7pm and 8pm.
Minute to Win It (GSN) has its last new episode on Tuesday, April 29th with reruns staying on Tuesday nights at 8pm (and Tue. 11pm, Sat. 2pm, Sun. 12pm) throughout May.
Mind of a Man will have its last new runs on Wednesday, May 14th while reruns continue in the same timeslots during the week of May 19-25.
In addition, starting later in May there are "New to GSN" episodes of The $25,000 Pyramid.
All Times Eastern