Nothing to See Here solution
by Kegler

As indicated by 27 Across, MOVE RIGHT ALONG, every answer that contains an R has that letter “moved along” to form a new word.

Nothing to See Here solution grid

Across
1ACTS UP (CATSUP anag)
5MA + LA + IS + E (AL rev)
11B(I'M + ON + TH)LY
14LIMB + O
17DI + E (I'D rev)
18P + REPPI + E (PIPER anag)
19F(RING)E
20ASH (2 defs)
22PRINCE ("PRINTS" hom)
23DA(P + H)NE
24S + HOE
25C + AS + A
26SIS (hidden)
27MOVE RIGHT ALONG
32ONE ("WON" hom)
34G + LOSS
35I + NCA (CAN anag)
37WR(E)ATH + E + S
38DIAL (rev)
39SE(PT)E + T
42AGENt + DA
46P + OP-ED + sOMe
47ALIEN + EE
48R(AN + GI)EST
49RUe + NWAY (YAWN rev)
50I + SOS + CELEbS
51INS (2 defs)
Down
1A + BA(F)T
2T(M)AN
3SOI(G)NE (NOISE anag)
4UN + DER + CO + AT + ED (RED rev)
6yALP (rev)
7L + YES
8AL(P,H)AS
9SMITHSONIAN (THIS MANSION anag)
10RHODES ("ROADS" hom)
12T(RI)ED
13RHEAS (SHARE anag)
15BEE + N
16SIP + HON
20RAN + CHO
21O + PAL
24SMOG (hidden)
28eVEEP (rev)
29G + LEAMS (MEALS anag)
30A'S + I + NINE
31GA(LLEY)S (YELL rev)
33ORATES (A STORE anag)
36CRAVE + N
39SPAT (rev)
40pEONS
41TuO kEeS (rev, odd letters)
43GAT + E
44E + LULl
45DEW (WE'D rev)